64990672

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 128554272

約数和(自身を除く): 63563600

約数列:

[1, 2, 4, 8, 16, 101, 131, 202, 262, 307, 404, 524, 614, 808, 1048, 1228, 1616, 2096, 2456, 4912, 13231, 26462, 31007, 40217, 52924, 62014, 80434, 105848, 124028, 160868, 211696, 248056, 321736, 496112, 643472, 4061917, 8123834, 16247668, 32495336, 64990672]

約数ペア:

[(1, 64990672), (2, 32495336), (4, 16247668), (8, 8123834), (16, 4061917), (101, 643472), (131, 496112), (202, 321736), (262, 248056), (307, 211696), (404, 160868), (524, 124028), (614, 105848), (808, 80434), (1048, 62014), (1228, 52924), (1616, 40217), (2096, 31007), (2456, 26462), (4912, 13231)]