25197876

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 77837760

約数和(自身を除く): 52639884

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 19, 22, 33, 34, 36, 38, 44, 51, 57, 66, 68, 76, 99, 102, 114, 132, 153, 171, 187, 197, 198, 204, 209, 228, 306, 323, 342, 374, 394, 396, 418, 561, 591, 612, 627, 646, 684, 748, 788, 836, 969, 1122, 1182, 1254, 1292, 1683, 1773, 1881, 1938, 2167, 2244, 2364, 2508, 2907, 3349, 3366, 3546, 3553, 3743, 3762, 3876, 4334, 5814, 6501, 6698, 6732, 7092, 7106, 7486, 7524, 8668, 10047, 10659, 11229, 11628, 13002, 13396, 14212, 14972, 19503, 20094, 21318, 22458, 26004, 30141, 31977, 33687, 36839, 39006, 40188, 41173, 42636, 44916, 60282, 63631, 63954, 67374, 73678, 78012, 82346, 110517, 120564, 123519, 127262, 127908, 134748, 147356, 164692, 190893, 221034, 247038, 254524, 331551, 370557, 381786, 442068, 494076, 572679, 663102, 699941, 741114, 763572, 1145358, 1326204, 1399882, 1482228, 2099823, 2290716, 2799764, 4199646, 6299469, 8399292, 12598938, 25197876]

約数ペア:

[(1, 25197876), (2, 12598938), (3, 8399292), (4, 6299469), (6, 4199646), (9, 2799764), (11, 2290716), (12, 2099823), (17, 1482228), (18, 1399882), (19, 1326204), (22, 1145358), (33, 763572), (34, 741114), (36, 699941), (38, 663102), (44, 572679), (51, 494076), (57, 442068), (66, 381786), (68, 370557), (76, 331551), (99, 254524), (102, 247038), (114, 221034), (132, 190893), (153, 164692), (171, 147356), (187, 134748), (197, 127908), (198, 127262), (204, 123519), (209, 120564), (228, 110517), (306, 82346), (323, 78012), (342, 73678), (374, 67374), (394, 63954), (396, 63631), (418, 60282), (561, 44916), (591, 42636), (612, 41173), (627, 40188), (646, 39006), (684, 36839), (748, 33687), (788, 31977), (836, 30141), (969, 26004), (1122, 22458), (1182, 21318), (1254, 20094), (1292, 19503), (1683, 14972), (1773, 14212), (1881, 13396), (1938, 13002), (2167, 11628), (2244, 11229), (2364, 10659), (2508, 10047), (2907, 8668), (3349, 7524), (3366, 7486), (3546, 7106), (3553, 7092), (3743, 6732), (3762, 6698), (3876, 6501), (4334, 5814)]