1621702784

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{974581}}^1$

素因数の和:974608

約数の個数: 32

約数和(自身を含む): 3479257740

約数和(自身を除く): 1857554956

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 974581, 1949162, 3898324, 7796648, 12669553, 15593296, 25339106, 31186592, 50678212, 62373184, 101356424, 124746368, 202712848, 405425696, 810851392, 1621702784]

約数ペア:

[(1, 1621702784), (2, 810851392), (4, 405425696), (8, 202712848), (13, 124746368), (16, 101356424), (26, 62373184), (32, 50678212), (52, 31186592), (64, 25339106), (104, 15593296), (128, 12669553), (208, 7796648), (416, 3898324), (832, 1949162), (1664, 974581)]