12921897612

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2238721}}^1$

素因数の和:2238778

約数の個数: 48

約数和(自身を含む): 33348002912

約数和(自身を除く): 20426105300

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 5772, 2238721, 4477442, 6716163, 8954884, 13432326, 26864652, 29103373, 58206746, 82832677, 87310119, 116413492, 165665354, 174620238, 248498031, 331330708, 349240476, 496996062, 993992124, 1076824801, 2153649602, 3230474403, 4307299204, 6460948806, 12921897612]

約数ペア:

[(1, 12921897612), (2, 6460948806), (3, 4307299204), (4, 3230474403), (6, 2153649602), (12, 1076824801), (13, 993992124), (26, 496996062), (37, 349240476), (39, 331330708), (52, 248498031), (74, 174620238), (78, 165665354), (111, 116413492), (148, 87310119), (156, 82832677), (222, 58206746), (444, 29103373), (481, 26864652), (962, 13432326), (1443, 8954884), (1924, 6716163), (2886, 4477442), (5772, 2238721)]