87817444

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 192851064

約数和(自身を除く): 105033620

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 121, 143, 187, 221, 242, 286, 374, 442, 484, 572, 748, 821, 884, 1573, 1642, 2057, 2431, 3146, 3284, 4114, 4862, 6292, 8228, 9031, 9724, 10673, 13957, 18062, 21346, 26741, 27914, 36124, 42692, 53482, 55828, 99341, 106964, 117403, 153527, 181441, 198682, 234806, 307054, 362882, 397364, 469612, 614108, 725764, 1291433, 1688797, 1995851, 2582866, 3377594, 3991702, 5165732, 6755188, 7983404, 21954361, 43908722, 87817444]

約数ペア:

[(1, 87817444), (2, 43908722), (4, 21954361), (11, 7983404), (13, 6755188), (17, 5165732), (22, 3991702), (26, 3377594), (34, 2582866), (44, 1995851), (52, 1688797), (68, 1291433), (121, 725764), (143, 614108), (187, 469612), (221, 397364), (242, 362882), (286, 307054), (374, 234806), (442, 198682), (484, 181441), (572, 153527), (748, 117403), (821, 106964), (884, 99341), (1573, 55828), (1642, 53482), (2057, 42692), (2431, 36124), (3146, 27914), (3284, 26741), (4114, 21346), (4862, 18062), (6292, 13957), (8228, 10673), (9031, 9724)]