257417712

素因数分解:

$2^4\times 3^2\times {\mathrm{631}}^1\times {\mathrm{2833}}^1$

素因数の和:3478

約数の個数: 60

約数和(自身を含む): 721808464

約数和(自身を除く): 464390752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 631, 1262, 1893, 2524, 2833, 3786, 5048, 5666, 5679, 7572, 8499, 10096, 11332, 11358, 15144, 16998, 22664, 22716, 25497, 30288, 33996, 45328, 45432, 50994, 67992, 90864, 101988, 135984, 203976, 407952, 1787623, 3575246, 5362869, 7150492, 10725738, 14300984, 16088607, 21451476, 28601968, 32177214, 42902952, 64354428, 85805904, 128708856, 257417712]

約数ペア:

[(1, 257417712), (2, 128708856), (3, 85805904), (4, 64354428), (6, 42902952), (8, 32177214), (9, 28601968), (12, 21451476), (16, 16088607), (18, 14300984), (24, 10725738), (36, 7150492), (48, 5362869), (72, 3575246), (144, 1787623), (631, 407952), (1262, 203976), (1893, 135984), (2524, 101988), (2833, 90864), (3786, 67992), (5048, 50994), (5666, 45432), (5679, 45328), (7572, 33996), (8499, 30288), (10096, 25497), (11332, 22716), (11358, 22664), (15144, 16998)]