28411264

素因数分解:

$2^7\times 7^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:915

約数の個数: 64

約数和(自身を含む): 66512160

約数和(自身を除く): 38100896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 259, 296, 448, 518, 592, 857, 896, 1036, 1184, 1714, 2072, 2368, 3428, 4144, 4736, 5999, 6856, 8288, 11998, 13712, 16576, 23996, 27424, 31709, 33152, 47992, 54848, 63418, 95984, 109696, 126836, 191968, 221963, 253672, 383936, 443926, 507344, 767872, 887852, 1014688, 1775704, 2029376, 3551408, 4058752, 7102816, 14205632, 28411264]

約数ペア:

[(1, 28411264), (2, 14205632), (4, 7102816), (7, 4058752), (8, 3551408), (14, 2029376), (16, 1775704), (28, 1014688), (32, 887852), (37, 767872), (56, 507344), (64, 443926), (74, 383936), (112, 253672), (128, 221963), (148, 191968), (224, 126836), (259, 109696), (296, 95984), (448, 63418), (518, 54848), (592, 47992), (857, 33152), (896, 31709), (1036, 27424), (1184, 23996), (1714, 16576), (2072, 13712), (2368, 11998), (3428, 8288), (4144, 6856), (4736, 5999)]