644451392

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{3671}}^1$

素因数の和:3907

約数の個数: 56

約数和(自身を含む): 1384108992

約数和(自身を除く): 739657600

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 211, 416, 422, 832, 844, 1688, 2743, 3376, 3671, 5486, 6752, 7342, 10972, 13504, 14684, 21944, 29368, 43888, 47723, 58736, 87776, 95446, 117472, 175552, 190892, 234944, 381784, 763568, 774581, 1527136, 1549162, 3054272, 3098324, 6196648, 10069553, 12393296, 20139106, 24786592, 40278212, 49573184, 80556424, 161112848, 322225696, 644451392]

約数ペア:

[(1, 644451392), (2, 322225696), (4, 161112848), (8, 80556424), (13, 49573184), (16, 40278212), (26, 24786592), (32, 20139106), (52, 12393296), (64, 10069553), (104, 6196648), (208, 3098324), (211, 3054272), (416, 1549162), (422, 1527136), (832, 774581), (844, 763568), (1688, 381784), (2743, 234944), (3376, 190892), (3671, 175552), (5486, 117472), (6752, 95446), (7342, 87776), (10972, 58736), (13504, 47723), (14684, 43888), (21944, 29368)]