7720038

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 17409600

約数和(自身を除く): 9689562

約数列:

[1, 2, 3, 6, 9, 18, 61, 79, 89, 122, 158, 178, 183, 237, 267, 366, 474, 534, 549, 711, 801, 1098, 1422, 1602, 4819, 5429, 7031, 9638, 10858, 14062, 14457, 16287, 21093, 28914, 32574, 42186, 43371, 48861, 63279, 86742, 97722, 126558, 428891, 857782, 1286673, 2573346, 3860019, 7720038]

約数ペア:

[(1, 7720038), (2, 3860019), (3, 2573346), (6, 1286673), (9, 857782), (18, 428891), (61, 126558), (79, 97722), (89, 86742), (122, 63279), (158, 48861), (178, 43371), (183, 42186), (237, 32574), (267, 28914), (366, 21093), (474, 16287), (534, 14457), (549, 14062), (711, 10858), (801, 9638), (1098, 7031), (1422, 5429), (1602, 4819)]