279256516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 631701504

約数和(自身を除く): 352444988

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 101, 154, 188, 191, 202, 308, 329, 382, 404, 517, 658, 707, 764, 1034, 1111, 1316, 1337, 1414, 2068, 2101, 2222, 2674, 2828, 3619, 4202, 4444, 4747, 5348, 7238, 7777, 8404, 8977, 9494, 14476, 14707, 15554, 17954, 18988, 19291, 29414, 31108, 33229, 35908, 38582, 52217, 58828, 62839, 66458, 77164, 98747, 104434, 125678, 132916, 135037, 197494, 208868, 212201, 251356, 270074, 365519, 394988, 424402, 540148, 691229, 731038, 848804, 906677, 1382458, 1462076, 1485407, 1813354, 2764916, 2970814, 3626708, 5941628, 6346739, 9973447, 12693478, 19946894, 25386956, 39893788, 69814129, 139628258, 279256516]

約数ペア:

[(1, 279256516), (2, 139628258), (4, 69814129), (7, 39893788), (11, 25386956), (14, 19946894), (22, 12693478), (28, 9973447), (44, 6346739), (47, 5941628), (77, 3626708), (94, 2970814), (101, 2764916), (154, 1813354), (188, 1485407), (191, 1462076), (202, 1382458), (308, 906677), (329, 848804), (382, 731038), (404, 691229), (517, 540148), (658, 424402), (707, 394988), (764, 365519), (1034, 270074), (1111, 251356), (1316, 212201), (1337, 208868), (1414, 197494), (2068, 135037), (2101, 132916), (2222, 125678), (2674, 104434), (2828, 98747), (3619, 77164), (4202, 66458), (4444, 62839), (4747, 58828), (5348, 52217), (7238, 38582), (7777, 35908), (8404, 33229), (8977, 31108), (9494, 29414), (14476, 19291), (14707, 18988), (15554, 17954)]