28235810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^2$

素因数の和:195

約数の個数: 48

約数和(自身を含む): 56105784

約数和(自身を除く): 27869974

約数列:

[1, 2, 5, 10, 17, 34, 37, 67, 74, 85, 134, 170, 185, 335, 370, 629, 670, 1139, 1258, 2278, 2479, 3145, 4489, 4958, 5695, 6290, 8978, 11390, 12395, 22445, 24790, 42143, 44890, 76313, 84286, 152626, 166093, 210715, 332186, 381565, 421430, 763130, 830465, 1660930, 2823581, 5647162, 14117905, 28235810]

約数ペア:

[(1, 28235810), (2, 14117905), (5, 5647162), (10, 2823581), (17, 1660930), (34, 830465), (37, 763130), (67, 421430), (74, 381565), (85, 332186), (134, 210715), (170, 166093), (185, 152626), (335, 84286), (370, 76313), (629, 44890), (670, 42143), (1139, 24790), (1258, 22445), (2278, 12395), (2479, 11390), (3145, 8978), (4489, 6290), (4958, 5695)]