251280108

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{78427}}^1$

素因数の和:78526

約数の個数: 36

約数和(自身を含む): 642325320

約数和(自身を除く): 391045212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 78427, 156854, 235281, 313708, 470562, 705843, 941124, 1411686, 2823372, 6980003, 13960006, 20940009, 27920012, 41880018, 62820027, 83760036, 125640054, 251280108]

約数ペア:

[(1, 251280108), (2, 125640054), (3, 83760036), (4, 62820027), (6, 41880018), (9, 27920012), (12, 20940009), (18, 13960006), (36, 6980003), (89, 2823372), (178, 1411686), (267, 941124), (356, 705843), (534, 470562), (801, 313708), (1068, 235281), (1602, 156854), (3204, 78427)]