1621434815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2473}}^1$

素因数の和:2640

約数の個数: 64

約数和(自身を含む): 2633444352

約数和(自身を除く): 1012009537

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 131, 143, 385, 455, 655, 715, 917, 1001, 1441, 1703, 2473, 4585, 5005, 7205, 8515, 10087, 11921, 12365, 17311, 18733, 27203, 32149, 50435, 59605, 86555, 93665, 131131, 136015, 160745, 190421, 225043, 323963, 353639, 655655, 952105, 1125215, 1619815, 1768195, 2267741, 2475473, 3563593, 4211519, 11338705, 12377365, 17817965, 21057595, 24945151, 29480633, 46326709, 124725755, 147403165, 231633545, 324286963, 1621434815]

約数ペア:

[(1, 1621434815), (5, 324286963), (7, 231633545), (11, 147403165), (13, 124725755), (35, 46326709), (55, 29480633), (65, 24945151), (77, 21057595), (91, 17817965), (131, 12377365), (143, 11338705), (385, 4211519), (455, 3563593), (655, 2475473), (715, 2267741), (917, 1768195), (1001, 1619815), (1441, 1125215), (1703, 952105), (2473, 655655), (4585, 353639), (5005, 323963), (7205, 225043), (8515, 190421), (10087, 160745), (11921, 136015), (12365, 131131), (17311, 93665), (18733, 86555), (27203, 59605), (32149, 50435)]