397415984

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 898567488

約数和(自身を除く): 501151504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 157, 194, 233, 314, 388, 466, 628, 679, 776, 932, 1099, 1256, 1358, 1552, 1631, 1864, 2198, 2512, 2716, 3262, 3728, 4396, 5432, 6524, 8792, 10864, 13048, 15229, 17584, 22601, 26096, 30458, 36581, 45202, 60916, 73162, 90404, 106603, 121832, 146324, 158207, 180808, 213206, 243664, 256067, 292648, 316414, 361616, 426412, 512134, 585296, 632828, 852824, 1024268, 1265656, 1705648, 2048536, 2531312, 3548357, 4097072, 7096714, 14193428, 24838499, 28386856, 49676998, 56773712, 99353996, 198707992, 397415984]

約数ペア:

[(1, 397415984), (2, 198707992), (4, 99353996), (7, 56773712), (8, 49676998), (14, 28386856), (16, 24838499), (28, 14193428), (56, 7096714), (97, 4097072), (112, 3548357), (157, 2531312), (194, 2048536), (233, 1705648), (314, 1265656), (388, 1024268), (466, 852824), (628, 632828), (679, 585296), (776, 512134), (932, 426412), (1099, 361616), (1256, 316414), (1358, 292648), (1552, 256067), (1631, 243664), (1864, 213206), (2198, 180808), (2512, 158207), (2716, 146324), (3262, 121832), (3728, 106603), (4396, 90404), (5432, 73162), (6524, 60916), (8792, 45202), (10864, 36581), (13048, 30458), (15229, 26096), (17584, 22601)]