77760805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 103366368

約数和(自身を除く): 25605563

約数列:

[1, 5, 17, 41, 53, 85, 205, 265, 421, 697, 901, 2105, 2173, 3485, 4505, 7157, 10865, 17261, 22313, 35785, 36941, 86305, 111565, 184705, 293437, 379321, 914833, 1467185, 1896605, 4574165, 15552161, 77760805]

約数ペア:

[(1, 77760805), (5, 15552161), (17, 4574165), (41, 1896605), (53, 1467185), (85, 914833), (205, 379321), (265, 293437), (421, 184705), (697, 111565), (901, 86305), (2105, 36941), (2173, 35785), (3485, 22313), (4505, 17261), (7157, 10865)]