251419428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{537221}}^1$

素因数の和:537244

約数の個数: 36

約数和(自身を含む): 684420828

約数和(自身を除く): 433001400

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 537221, 1074442, 1611663, 2148884, 3223326, 4834989, 6446652, 6983873, 9669978, 13967746, 19339956, 20951619, 27935492, 41903238, 62854857, 83806476, 125709714, 251419428]

約数ペア:

[(1, 251419428), (2, 125709714), (3, 83806476), (4, 62854857), (6, 41903238), (9, 27935492), (12, 20951619), (13, 19339956), (18, 13967746), (26, 9669978), (36, 6983873), (39, 6446652), (52, 4834989), (78, 3223326), (117, 2148884), (156, 1611663), (234, 1074442), (468, 537221)]