291217355

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 421139712

約数和(自身を除く): 129922357

約数列:

[1, 5, 11, 13, 55, 61, 65, 121, 143, 305, 605, 607, 671, 715, 793, 1573, 3035, 3355, 3965, 6677, 7381, 7865, 7891, 8723, 33385, 36905, 37027, 39455, 43615, 73447, 86801, 95953, 185135, 367235, 407297, 434005, 479765, 481351, 954811, 2036485, 2406755, 4480267, 4774055, 5294861, 22401335, 26474305, 58243471, 291217355]

約数ペア:

[(1, 291217355), (5, 58243471), (11, 26474305), (13, 22401335), (55, 5294861), (61, 4774055), (65, 4480267), (121, 2406755), (143, 2036485), (305, 954811), (605, 481351), (607, 479765), (671, 434005), (715, 407297), (793, 367235), (1573, 185135), (3035, 95953), (3355, 86801), (3965, 73447), (6677, 43615), (7381, 39455), (7865, 37027), (7891, 36905), (8723, 33385)]