311990016

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31249}}^1$

素因数の和:31281

約数の個数: 72

約数和(自身を含む): 894250000

約数和(自身を除く): 582259984

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2496, 3328, 4992, 9984, 31249, 62498, 93747, 124996, 187494, 249992, 374988, 406237, 499984, 749976, 812474, 999968, 1218711, 1499952, 1624948, 1999936, 2437422, 2999904, 3249896, 3999872, 4874844, 5999808, 6499792, 7999744, 9749688, 11999616, 12999584, 19499376, 23999232, 25999168, 38998752, 51998336, 77997504, 103996672, 155995008, 311990016]

約数ペア:

[(1, 311990016), (2, 155995008), (3, 103996672), (4, 77997504), (6, 51998336), (8, 38998752), (12, 25999168), (13, 23999232), (16, 19499376), (24, 12999584), (26, 11999616), (32, 9749688), (39, 7999744), (48, 6499792), (52, 5999808), (64, 4874844), (78, 3999872), (96, 3249896), (104, 2999904), (128, 2437422), (156, 1999936), (192, 1624948), (208, 1499952), (256, 1218711), (312, 999968), (384, 812474), (416, 749976), (624, 499984), (768, 406237), (832, 374988), (1248, 249992), (1664, 187494), (2496, 124996), (3328, 93747), (4992, 62498), (9984, 31249)]