256348376788

素因数分解:

$2^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{4987}}^1\times {\mathrm{5903}}^1$

素因数の和:11212

約数の個数: 48

約数和(自身を含む): 514535583744

約数和(自身を除く): 258187206956

約数列:

[1, 2, 4, 7, 14, 28, 311, 622, 1244, 2177, 4354, 4987, 5903, 8708, 9974, 11806, 19948, 23612, 34909, 41321, 69818, 82642, 139636, 165284, 1550957, 1835833, 3101914, 3671666, 6203828, 7343332, 10856699, 12850831, 21713398, 25701662, 29438261, 43426796, 51403324, 58876522, 117753044, 206067827, 412135654, 824271308, 9155299171, 18310598342, 36621196684, 64087094197, 128174188394, 256348376788]

約数ペア:

[(1, 256348376788), (2, 128174188394), (4, 64087094197), (7, 36621196684), (14, 18310598342), (28, 9155299171), (311, 824271308), (622, 412135654), (1244, 206067827), (2177, 117753044), (4354, 58876522), (4987, 51403324), (5903, 43426796), (8708, 29438261), (9974, 25701662), (11806, 21713398), (19948, 12850831), (23612, 10856699), (34909, 7343332), (41321, 6203828), (69818, 3671666), (82642, 3101914), (139636, 1835833), (165284, 1550957)]