28637408

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 72

約数和(自身を含む): 62023752

約数和(自身を除く): 33386344

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 67, 74, 76, 134, 148, 152, 268, 296, 304, 361, 536, 592, 608, 703, 722, 1072, 1184, 1273, 1406, 1444, 2144, 2479, 2546, 2812, 2888, 4958, 5092, 5624, 5776, 9916, 10184, 11248, 11552, 13357, 19832, 20368, 22496, 24187, 26714, 39664, 40736, 47101, 48374, 53428, 79328, 94202, 96748, 106856, 188404, 193496, 213712, 376808, 386992, 427424, 753616, 773984, 894919, 1507232, 1789838, 3579676, 7159352, 14318704, 28637408]

約数ペア:

[(1, 28637408), (2, 14318704), (4, 7159352), (8, 3579676), (16, 1789838), (19, 1507232), (32, 894919), (37, 773984), (38, 753616), (67, 427424), (74, 386992), (76, 376808), (134, 213712), (148, 193496), (152, 188404), (268, 106856), (296, 96748), (304, 94202), (361, 79328), (536, 53428), (592, 48374), (608, 47101), (703, 40736), (722, 39664), (1072, 26714), (1184, 24187), (1273, 22496), (1406, 20368), (1444, 19832), (2144, 13357), (2479, 11552), (2546, 11248), (2812, 10184), (2888, 9916), (4958, 5776), (5092, 5624)]