1887358788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{2081}}^1$

素因数の和:2218

約数の個数: 144

約数和(自身を含む): 5638389120

約数和(自身を除く): 3751030332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 59, 61, 63, 84, 118, 122, 126, 177, 183, 236, 244, 252, 354, 366, 413, 427, 531, 549, 708, 732, 826, 854, 1062, 1098, 1239, 1281, 1652, 1708, 2081, 2124, 2196, 2478, 2562, 3599, 3717, 3843, 4162, 4956, 5124, 6243, 7198, 7434, 7686, 8324, 10797, 12486, 14396, 14567, 14868, 15372, 18729, 21594, 24972, 25193, 29134, 32391, 37458, 43188, 43701, 50386, 58268, 64782, 74916, 75579, 87402, 100772, 122779, 126941, 129564, 131103, 151158, 174804, 226737, 245558, 253882, 262206, 302316, 368337, 380823, 453474, 491116, 507764, 524412, 736674, 761646, 859453, 888587, 906948, 1105011, 1142469, 1473348, 1523292, 1718906, 1777174, 2210022, 2284938, 2578359, 2665761, 3437812, 3554348, 4420044, 4569876, 5156718, 5331522, 7489519, 7735077, 7997283, 10313436, 10663044, 14979038, 15470154, 15994566, 22468557, 29958076, 30940308, 31989132, 44937114, 52426633, 67405671, 89874228, 104853266, 134811342, 157279899, 209706532, 269622684, 314559798, 471839697, 629119596, 943679394, 1887358788]

約数ペア:

[(1, 1887358788), (2, 943679394), (3, 629119596), (4, 471839697), (6, 314559798), (7, 269622684), (9, 209706532), (12, 157279899), (14, 134811342), (18, 104853266), (21, 89874228), (28, 67405671), (36, 52426633), (42, 44937114), (59, 31989132), (61, 30940308), (63, 29958076), (84, 22468557), (118, 15994566), (122, 15470154), (126, 14979038), (177, 10663044), (183, 10313436), (236, 7997283), (244, 7735077), (252, 7489519), (354, 5331522), (366, 5156718), (413, 4569876), (427, 4420044), (531, 3554348), (549, 3437812), (708, 2665761), (732, 2578359), (826, 2284938), (854, 2210022), (1062, 1777174), (1098, 1718906), (1239, 1523292), (1281, 1473348), (1652, 1142469), (1708, 1105011), (2081, 906948), (2124, 888587), (2196, 859453), (2478, 761646), (2562, 736674), (3599, 524412), (3717, 507764), (3843, 491116), (4162, 453474), (4956, 380823), (5124, 368337), (6243, 302316), (7198, 262206), (7434, 253882), (7686, 245558), (8324, 226737), (10797, 174804), (12486, 151158), (14396, 131103), (14567, 129564), (14868, 126941), (15372, 122779), (18729, 100772), (21594, 87402), (24972, 75579), (25193, 74916), (29134, 64782), (32391, 58268), (37458, 50386), (43188, 43701)]