818053535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 1136773344

約数和(自身を除く): 318719809

約数列:

[1, 5, 13, 23, 37, 65, 115, 185, 299, 481, 529, 643, 851, 1495, 2405, 2645, 3215, 4255, 6877, 8359, 11063, 14789, 19573, 23791, 34385, 41795, 55315, 73945, 97865, 118955, 192257, 254449, 309283, 340147, 547193, 961285, 1272245, 1546415, 1700735, 2735965, 4421911, 7113509, 12585439, 22109555, 35567545, 62927195, 163610707, 818053535]

約数ペア:

[(1, 818053535), (5, 163610707), (13, 62927195), (23, 35567545), (37, 22109555), (65, 12585439), (115, 7113509), (185, 4421911), (299, 2735965), (481, 1700735), (529, 1546415), (643, 1272245), (851, 961285), (1495, 547193), (2405, 340147), (2645, 309283), (3215, 254449), (4255, 192257), (6877, 118955), (8359, 97865), (11063, 73945), (14789, 55315), (19573, 41795), (23791, 34385)]