288973568

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2861

約数の個数: 72

約数和(自身を含む): 641456256

約数和(自身を除く): 352482688

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 2801, 3224, 3328, 3968, 5602, 6448, 7936, 11204, 12896, 22408, 25792, 36413, 44816, 51584, 72826, 86831, 89632, 103168, 145652, 173662, 179264, 291304, 347324, 358528, 582608, 694648, 717056, 1128803, 1165216, 1389296, 2257606, 2330432, 2778592, 4515212, 4660864, 5557184, 9030424, 9321728, 11114368, 18060848, 22228736, 36121696, 72243392, 144486784, 288973568]

約数ペア:

[(1, 288973568), (2, 144486784), (4, 72243392), (8, 36121696), (13, 22228736), (16, 18060848), (26, 11114368), (31, 9321728), (32, 9030424), (52, 5557184), (62, 4660864), (64, 4515212), (104, 2778592), (124, 2330432), (128, 2257606), (208, 1389296), (248, 1165216), (256, 1128803), (403, 717056), (416, 694648), (496, 582608), (806, 358528), (832, 347324), (992, 291304), (1612, 179264), (1664, 173662), (1984, 145652), (2801, 103168), (3224, 89632), (3328, 86831), (3968, 72826), (5602, 51584), (6448, 44816), (7936, 36413), (11204, 25792), (12896, 22408)]