1721990088

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{262819}}^1$

素因数の和:262851

約数の個数: 96

約数和(自身を含む): 5739988800

約数和(自身を除く): 4017998712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 182, 234, 252, 273, 312, 364, 468, 504, 546, 728, 819, 936, 1092, 1638, 2184, 3276, 6552, 262819, 525638, 788457, 1051276, 1576914, 1839733, 2102552, 2365371, 3153828, 3416647, 3679466, 4730742, 5519199, 6307656, 6833294, 7358932, 9461484, 10249941, 11038398, 13666588, 14717864, 16557597, 18922968, 20499882, 22076796, 23916529, 27333176, 30749823, 33115194, 40999764, 44153592, 47833058, 61499646, 66230388, 71749587, 81999528, 95666116, 122999292, 132460776, 143499174, 191332232, 215248761, 245998584, 286998348, 430497522, 573996696, 860995044, 1721990088]

約数ペア:

[(1, 1721990088), (2, 860995044), (3, 573996696), (4, 430497522), (6, 286998348), (7, 245998584), (8, 215248761), (9, 191332232), (12, 143499174), (13, 132460776), (14, 122999292), (18, 95666116), (21, 81999528), (24, 71749587), (26, 66230388), (28, 61499646), (36, 47833058), (39, 44153592), (42, 40999764), (52, 33115194), (56, 30749823), (63, 27333176), (72, 23916529), (78, 22076796), (84, 20499882), (91, 18922968), (104, 16557597), (117, 14717864), (126, 13666588), (156, 11038398), (168, 10249941), (182, 9461484), (234, 7358932), (252, 6833294), (273, 6307656), (312, 5519199), (364, 4730742), (468, 3679466), (504, 3416647), (546, 3153828), (728, 2365371), (819, 2102552), (936, 1839733), (1092, 1576914), (1638, 1051276), (2184, 788457), (3276, 525638), (6552, 262819)]