778393364

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{2837}}^1$

素因数の和:3128

約数の個数: 48

約数和(自身を含む): 1601994240

約数和(自身を除く): 823600876

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 239, 287, 478, 574, 956, 1148, 1673, 2837, 3346, 5674, 6692, 9799, 11348, 19598, 19859, 39196, 39718, 68593, 79436, 116317, 137186, 232634, 274372, 465268, 678043, 814219, 1356086, 1628438, 2712172, 3256876, 4746301, 9492602, 18985204, 27799763, 55599526, 111199052, 194598341, 389196682, 778393364]

約数ペア:

[(1, 778393364), (2, 389196682), (4, 194598341), (7, 111199052), (14, 55599526), (28, 27799763), (41, 18985204), (82, 9492602), (164, 4746301), (239, 3256876), (287, 2712172), (478, 1628438), (574, 1356086), (956, 814219), (1148, 678043), (1673, 465268), (2837, 274372), (3346, 232634), (5674, 137186), (6692, 116317), (9799, 79436), (11348, 68593), (19598, 39718), (19859, 39196)]