28565576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 62052480

約数和(自身を除く): 33486904

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 107, 136, 151, 214, 221, 302, 428, 442, 604, 856, 884, 1208, 1391, 1768, 1819, 1963, 2567, 2782, 3638, 3926, 5134, 5564, 7276, 7852, 10268, 11128, 14552, 15704, 16157, 20536, 23647, 32314, 33371, 47294, 64628, 66742, 94588, 129256, 133484, 189176, 210041, 266968, 274669, 420082, 549338, 840164, 1098676, 1680328, 2197352, 3570697, 7141394, 14282788, 28565576]

約数ペア:

[(1, 28565576), (2, 14282788), (4, 7141394), (8, 3570697), (13, 2197352), (17, 1680328), (26, 1098676), (34, 840164), (52, 549338), (68, 420082), (104, 274669), (107, 266968), (136, 210041), (151, 189176), (214, 133484), (221, 129256), (302, 94588), (428, 66742), (442, 64628), (604, 47294), (856, 33371), (884, 32314), (1208, 23647), (1391, 20536), (1768, 16157), (1819, 15704), (1963, 14552), (2567, 11128), (2782, 10268), (3638, 7852), (3926, 7276), (5134, 5564)]