201561876

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{1009}}^1$

素因数の和:1229

約数の個数: 72

約数和(自身を含む): 529401600

約数和(自身を除く): 327839724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 179, 186, 279, 358, 372, 537, 558, 716, 1009, 1074, 1116, 1611, 2018, 2148, 3027, 3222, 4036, 5549, 6054, 6444, 9081, 11098, 12108, 16647, 18162, 22196, 31279, 33294, 36324, 49941, 62558, 66588, 93837, 99882, 125116, 180611, 187674, 199764, 281511, 361222, 375348, 541833, 563022, 722444, 1083666, 1126044, 1625499, 2167332, 3250998, 5598941, 6501996, 11197882, 16796823, 22395764, 33593646, 50390469, 67187292, 100780938, 201561876]

約数ペア:

[(1, 201561876), (2, 100780938), (3, 67187292), (4, 50390469), (6, 33593646), (9, 22395764), (12, 16796823), (18, 11197882), (31, 6501996), (36, 5598941), (62, 3250998), (93, 2167332), (124, 1625499), (179, 1126044), (186, 1083666), (279, 722444), (358, 563022), (372, 541833), (537, 375348), (558, 361222), (716, 281511), (1009, 199764), (1074, 187674), (1116, 180611), (1611, 125116), (2018, 99882), (2148, 93837), (3027, 66588), (3222, 62558), (4036, 49941), (5549, 36324), (6054, 33294), (6444, 31279), (9081, 22196), (11098, 18162), (12108, 16647)]