72181928

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 173923200

約数和(自身を除く): 101741272

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 169, 182, 203, 232, 263, 338, 364, 377, 406, 526, 676, 728, 754, 812, 1052, 1183, 1352, 1508, 1624, 1841, 2104, 2366, 2639, 3016, 3419, 3682, 4732, 4901, 5278, 6838, 7364, 7627, 9464, 9802, 10556, 13676, 14728, 15254, 19604, 21112, 23933, 27352, 30508, 34307, 39208, 44447, 47866, 53389, 61016, 68614, 88894, 95732, 99151, 106778, 137228, 177788, 191464, 198302, 213556, 274456, 311129, 355576, 396604, 427112, 622258, 694057, 793208, 1244516, 1288963, 1388114, 2489032, 2577926, 2776228, 5155852, 5552456, 9022741, 10311704, 18045482, 36090964, 72181928]

約数ペア:

[(1, 72181928), (2, 36090964), (4, 18045482), (7, 10311704), (8, 9022741), (13, 5552456), (14, 5155852), (26, 2776228), (28, 2577926), (29, 2489032), (52, 1388114), (56, 1288963), (58, 1244516), (91, 793208), (104, 694057), (116, 622258), (169, 427112), (182, 396604), (203, 355576), (232, 311129), (263, 274456), (338, 213556), (364, 198302), (377, 191464), (406, 177788), (526, 137228), (676, 106778), (728, 99151), (754, 95732), (812, 88894), (1052, 68614), (1183, 61016), (1352, 53389), (1508, 47866), (1624, 44447), (1841, 39208), (2104, 34307), (2366, 30508), (2639, 27352), (3016, 23933), (3419, 21112), (3682, 19604), (4732, 15254), (4901, 14728), (5278, 13676), (6838, 10556), (7364, 9802), (7627, 9464)]