386990110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 775982592

約数和(自身を除く): 388992482

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 107, 130, 214, 215, 430, 535, 559, 647, 1070, 1118, 1294, 1391, 2782, 2795, 3235, 4601, 5590, 6470, 6955, 8411, 9202, 13910, 16822, 23005, 27821, 42055, 46010, 55642, 59813, 69229, 84110, 119626, 138458, 139105, 278210, 299065, 346145, 361673, 598130, 692290, 723346, 899977, 1799954, 1808365, 2976847, 3616730, 4499885, 5953694, 8999770, 14884235, 29768470, 38699011, 77398022, 193495055, 386990110]

約数ペア:

[(1, 386990110), (2, 193495055), (5, 77398022), (10, 38699011), (13, 29768470), (26, 14884235), (43, 8999770), (65, 5953694), (86, 4499885), (107, 3616730), (130, 2976847), (214, 1808365), (215, 1799954), (430, 899977), (535, 723346), (559, 692290), (647, 598130), (1070, 361673), (1118, 346145), (1294, 299065), (1391, 278210), (2782, 139105), (2795, 138458), (3235, 119626), (4601, 84110), (5590, 69229), (6470, 59813), (6955, 55642), (8411, 46010), (9202, 42055), (13910, 27821), (16822, 23005)]