28401792

素因数分解:

$2^7\times 3^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2053

約数の個数: 64

約数和(自身を含む): 77520000

約数和(自身を除く): 49118208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 296, 384, 444, 592, 888, 1184, 1776, 1999, 2368, 3552, 3998, 4736, 5997, 7104, 7996, 11994, 14208, 15992, 23988, 31984, 47976, 63968, 73963, 95952, 127936, 147926, 191904, 221889, 255872, 295852, 383808, 443778, 591704, 767616, 887556, 1183408, 1775112, 2366816, 3550224, 4733632, 7100448, 9467264, 14200896, 28401792]

約数ペア:

[(1, 28401792), (2, 14200896), (3, 9467264), (4, 7100448), (6, 4733632), (8, 3550224), (12, 2366816), (16, 1775112), (24, 1183408), (32, 887556), (37, 767616), (48, 591704), (64, 443778), (74, 383808), (96, 295852), (111, 255872), (128, 221889), (148, 191904), (192, 147926), (222, 127936), (296, 95952), (384, 73963), (444, 63968), (592, 47976), (888, 31984), (1184, 23988), (1776, 15992), (1999, 14208), (2368, 11994), (3552, 7996), (3998, 7104), (4736, 5997)]