28218008

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{467}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 66044160

約数和(自身を除く): 37826152

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 83, 91, 104, 166, 182, 332, 364, 467, 581, 664, 728, 934, 1079, 1162, 1868, 2158, 2324, 3269, 3736, 4316, 4648, 6071, 6538, 7553, 8632, 12142, 13076, 15106, 24284, 26152, 30212, 38761, 42497, 48568, 60424, 77522, 84994, 155044, 169988, 271327, 310088, 339976, 503893, 542654, 1007786, 1085308, 2015572, 2170616, 3527251, 4031144, 7054502, 14109004, 28218008]

約数ペア:

[(1, 28218008), (2, 14109004), (4, 7054502), (7, 4031144), (8, 3527251), (13, 2170616), (14, 2015572), (26, 1085308), (28, 1007786), (52, 542654), (56, 503893), (83, 339976), (91, 310088), (104, 271327), (166, 169988), (182, 155044), (332, 84994), (364, 77522), (467, 60424), (581, 48568), (664, 42497), (728, 38761), (934, 30212), (1079, 26152), (1162, 24284), (1868, 15106), (2158, 13076), (2324, 12142), (3269, 8632), (3736, 7553), (4316, 6538), (4648, 6071)]