161460208

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:842

約数の個数: 80

約数和(自身を含む): 387850176

約数和(自身を除く): 226389968

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 173, 182, 208, 346, 364, 641, 692, 728, 1211, 1282, 1384, 1456, 2249, 2422, 2564, 2768, 4487, 4498, 4844, 5128, 8333, 8974, 8996, 9688, 10256, 15743, 16666, 17948, 17992, 19376, 31486, 33332, 35896, 35984, 58331, 62972, 66664, 71792, 110893, 116662, 125944, 133328, 221786, 233324, 251888, 443572, 466648, 776251, 887144, 933296, 1441609, 1552502, 1774288, 2883218, 3105004, 5766436, 6210008, 10091263, 11532872, 12420016, 20182526, 23065744, 40365052, 80730104, 161460208]

約数ペア:

[(1, 161460208), (2, 80730104), (4, 40365052), (7, 23065744), (8, 20182526), (13, 12420016), (14, 11532872), (16, 10091263), (26, 6210008), (28, 5766436), (52, 3105004), (56, 2883218), (91, 1774288), (104, 1552502), (112, 1441609), (173, 933296), (182, 887144), (208, 776251), (346, 466648), (364, 443572), (641, 251888), (692, 233324), (728, 221786), (1211, 133328), (1282, 125944), (1384, 116662), (1456, 110893), (2249, 71792), (2422, 66664), (2564, 62972), (2768, 58331), (4487, 35984), (4498, 35896), (4844, 33332), (5128, 31486), (8333, 19376), (8974, 17992), (8996, 17948), (9688, 16666), (10256, 15743)]