31808530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 67223520

約数和(自身を除く): 35414990

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 37, 65, 74, 85, 130, 170, 185, 221, 370, 389, 442, 481, 629, 778, 962, 1105, 1258, 1945, 2210, 2405, 3145, 3890, 4810, 5057, 6290, 6613, 8177, 10114, 13226, 14393, 16354, 25285, 28786, 33065, 40885, 50570, 66130, 71965, 81770, 85969, 143930, 171938, 187109, 244681, 374218, 429845, 489362, 859690, 935545, 1223405, 1871090, 2446810, 3180853, 6361706, 15904265, 31808530]

約数ペア:

[(1, 31808530), (2, 15904265), (5, 6361706), (10, 3180853), (13, 2446810), (17, 1871090), (26, 1223405), (34, 935545), (37, 859690), (65, 489362), (74, 429845), (85, 374218), (130, 244681), (170, 187109), (185, 171938), (221, 143930), (370, 85969), (389, 81770), (442, 71965), (481, 66130), (629, 50570), (778, 40885), (962, 33065), (1105, 28786), (1258, 25285), (1945, 16354), (2210, 14393), (2405, 13226), (3145, 10114), (3890, 8177), (4810, 6613), (5057, 6290)]