2812561648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{221671}}^1$

素因数の和:221753

約数の個数: 40

約数和(自身を含む): 5964750176

約数和(自身を除く): 3152188528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 12688, 221671, 443342, 886684, 1773368, 2881723, 3546736, 5763446, 11526892, 13521931, 23053784, 27043862, 46107568, 54087724, 108175448, 175785103, 216350896, 351570206, 703140412, 1406280824, 2812561648]

約数ペア:

[(1, 2812561648), (2, 1406280824), (4, 703140412), (8, 351570206), (13, 216350896), (16, 175785103), (26, 108175448), (52, 54087724), (61, 46107568), (104, 27043862), (122, 23053784), (208, 13521931), (244, 11526892), (488, 5763446), (793, 3546736), (976, 2881723), (1586, 1773368), (3172, 886684), (6344, 443342), (12688, 221671)]