66729856

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 139829760

約数和(自身を除く): 73099904

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 67, 124, 128, 134, 248, 251, 268, 496, 502, 536, 992, 1004, 1072, 1984, 2008, 2077, 2144, 3968, 4016, 4154, 4288, 7781, 8032, 8308, 8576, 15562, 16064, 16616, 16817, 31124, 32128, 33232, 33634, 62248, 66464, 67268, 124496, 132928, 134536, 248992, 265856, 269072, 497984, 521327, 538144, 995968, 1042654, 1076288, 2085308, 2152576, 4170616, 8341232, 16682464, 33364928, 66729856]

約数ペア:

[(1, 66729856), (2, 33364928), (4, 16682464), (8, 8341232), (16, 4170616), (31, 2152576), (32, 2085308), (62, 1076288), (64, 1042654), (67, 995968), (124, 538144), (128, 521327), (134, 497984), (248, 269072), (251, 265856), (268, 248992), (496, 134536), (502, 132928), (536, 124496), (992, 67268), (1004, 66464), (1072, 62248), (1984, 33634), (2008, 33232), (2077, 32128), (2144, 31124), (3968, 16817), (4016, 16616), (4154, 16064), (4288, 15562), (7781, 8576), (8032, 8308)]