255490638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{631}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 573350400

約数和(自身を除く): 317859762

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 179, 358, 377, 537, 631, 754, 1074, 1131, 1262, 1893, 2262, 2327, 3786, 4654, 5191, 6981, 8203, 10382, 13962, 15573, 16406, 18299, 24609, 31146, 36598, 49218, 54897, 67483, 109794, 112949, 134966, 202449, 225898, 237887, 338847, 404898, 475774, 677694, 713661, 1427322, 1468337, 2936674, 3275521, 4405011, 6551042, 8810022, 9826563, 19653126, 42581773, 85163546, 127745319, 255490638]

約数ペア:

[(1, 255490638), (2, 127745319), (3, 85163546), (6, 42581773), (13, 19653126), (26, 9826563), (29, 8810022), (39, 6551042), (58, 4405011), (78, 3275521), (87, 2936674), (174, 1468337), (179, 1427322), (358, 713661), (377, 677694), (537, 475774), (631, 404898), (754, 338847), (1074, 237887), (1131, 225898), (1262, 202449), (1893, 134966), (2262, 112949), (2327, 109794), (3786, 67483), (4654, 54897), (5191, 49218), (6981, 36598), (8203, 31146), (10382, 24609), (13962, 18299), (15573, 16406)]