207978322565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{89}}^1\times {\mathrm{26261}}^1$

素因数の和:26442

約数の個数: 48

約数和(自身を含む): 279346793040

約数和(自身を除く): 71368470475

約数列:

[1, 5, 13, 37, 65, 89, 185, 445, 481, 1157, 1369, 2405, 3293, 5785, 6845, 16465, 17797, 26261, 42809, 88985, 121841, 131305, 214045, 341393, 609205, 971657, 1583933, 1706965, 2337229, 4858285, 7919665, 11686145, 12631541, 30383977, 35951309, 63157705, 86477473, 151919885, 179756545, 432387365, 467367017, 1124207149, 2336835085, 3199666501, 5621035745, 15998332505, 41595664513, 207978322565]

約数ペア:

[(1, 207978322565), (5, 41595664513), (13, 15998332505), (37, 5621035745), (65, 3199666501), (89, 2336835085), (185, 1124207149), (445, 467367017), (481, 432387365), (1157, 179756545), (1369, 151919885), (2405, 86477473), (3293, 63157705), (5785, 35951309), (6845, 30383977), (16465, 12631541), (17797, 11686145), (26261, 7919665), (42809, 4858285), (88985, 2337229), (121841, 1706965), (131305, 1583933), (214045, 971657), (341393, 609205)]