256174548

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{2281}}^1$

素因数の和:2493

約数の個数: 72

約数和(自身を含む): 699277824

約数和(自身を除く): 443103276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 191, 196, 294, 382, 573, 588, 764, 1146, 1337, 2281, 2292, 2674, 4011, 4562, 5348, 6843, 8022, 9124, 9359, 13686, 15967, 16044, 18718, 27372, 28077, 31934, 37436, 47901, 56154, 63868, 95802, 111769, 112308, 191604, 223538, 335307, 435671, 447076, 670614, 871342, 1307013, 1341228, 1742684, 2614026, 3049697, 5228052, 6099394, 9149091, 12198788, 18298182, 21347879, 36596364, 42695758, 64043637, 85391516, 128087274, 256174548]

約数ペア:

[(1, 256174548), (2, 128087274), (3, 85391516), (4, 64043637), (6, 42695758), (7, 36596364), (12, 21347879), (14, 18298182), (21, 12198788), (28, 9149091), (42, 6099394), (49, 5228052), (84, 3049697), (98, 2614026), (147, 1742684), (191, 1341228), (196, 1307013), (294, 871342), (382, 670614), (573, 447076), (588, 435671), (764, 335307), (1146, 223538), (1337, 191604), (2281, 112308), (2292, 111769), (2674, 95802), (4011, 63868), (4562, 56154), (5348, 47901), (6843, 37436), (8022, 31934), (9124, 28077), (9359, 27372), (13686, 18718), (15967, 16044)]