81380464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12497}}^1$

素因数の和:12553

約数の個数: 40

約数和(自身を含む): 176671728

約数和(自身を除く): 95291264

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 3256, 6512, 12497, 24994, 49988, 99976, 137467, 199952, 274934, 462389, 549868, 924778, 1099736, 1849556, 2199472, 3699112, 5086279, 7398224, 10172558, 20345116, 40690232, 81380464]

約数ペア:

[(1, 81380464), (2, 40690232), (4, 20345116), (8, 10172558), (11, 7398224), (16, 5086279), (22, 3699112), (37, 2199472), (44, 1849556), (74, 1099736), (88, 924778), (148, 549868), (176, 462389), (296, 274934), (407, 199952), (592, 137467), (814, 99976), (1628, 49988), (3256, 24994), (6512, 12497)]