28066688

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 61175520

約数和(自身を除く): 33108832

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 101, 104, 128, 167, 202, 208, 334, 404, 416, 668, 808, 832, 1313, 1336, 1616, 1664, 2171, 2626, 2672, 3232, 4342, 5252, 5344, 6464, 8684, 10504, 10688, 12928, 16867, 17368, 21008, 21376, 33734, 34736, 42016, 67468, 69472, 84032, 134936, 138944, 168064, 219271, 269872, 277888, 438542, 539744, 877084, 1079488, 1754168, 2158976, 3508336, 7016672, 14033344, 28066688]

約数ペア:

[(1, 28066688), (2, 14033344), (4, 7016672), (8, 3508336), (13, 2158976), (16, 1754168), (26, 1079488), (32, 877084), (52, 539744), (64, 438542), (101, 277888), (104, 269872), (128, 219271), (167, 168064), (202, 138944), (208, 134936), (334, 84032), (404, 69472), (416, 67468), (668, 42016), (808, 34736), (832, 33734), (1313, 21376), (1336, 21008), (1616, 17368), (1664, 16867), (2171, 12928), (2626, 10688), (2672, 10504), (3232, 8684), (4342, 6464), (5252, 5344)]