15257216

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 33543720

約数和(自身を除く): 18286504

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 128, 173, 208, 212, 346, 416, 424, 689, 692, 832, 848, 1378, 1384, 1664, 1696, 2249, 2756, 2768, 3392, 4498, 5512, 5536, 6784, 8996, 9169, 11024, 11072, 17992, 18338, 22048, 22144, 35984, 36676, 44096, 71968, 73352, 88192, 119197, 143936, 146704, 238394, 287872, 293408, 476788, 586816, 953576, 1173632, 1907152, 3814304, 7628608, 15257216]

約数ペア:

[(1, 15257216), (2, 7628608), (4, 3814304), (8, 1907152), (13, 1173632), (16, 953576), (26, 586816), (32, 476788), (52, 293408), (53, 287872), (64, 238394), (104, 146704), (106, 143936), (128, 119197), (173, 88192), (208, 73352), (212, 71968), (346, 44096), (416, 36676), (424, 35984), (689, 22144), (692, 22048), (832, 18338), (848, 17992), (1378, 11072), (1384, 11024), (1664, 9169), (1696, 8996), (2249, 6784), (2756, 5536), (2768, 5512), (3392, 4498)]