319996716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 825043968

約数和(自身を除く): 505047252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 167, 173, 213, 284, 334, 346, 426, 501, 519, 668, 692, 852, 923, 1002, 1038, 1846, 2004, 2076, 2171, 2249, 2769, 3692, 4342, 4498, 5538, 6513, 6747, 8684, 8996, 11076, 11857, 12283, 13026, 13494, 23714, 24566, 26052, 26988, 28891, 35571, 36849, 47428, 49132, 57782, 71142, 73698, 86673, 115564, 142284, 147396, 154141, 159679, 173346, 308282, 319358, 346692, 375583, 462423, 479037, 616564, 638716, 751166, 924846, 958074, 1126749, 1502332, 1849692, 1916148, 2051261, 2253498, 4102522, 4506996, 6153783, 8205044, 12307566, 24615132, 26666393, 53332786, 79999179, 106665572, 159998358, 319996716]

約数ペア:

[(1, 319996716), (2, 159998358), (3, 106665572), (4, 79999179), (6, 53332786), (12, 26666393), (13, 24615132), (26, 12307566), (39, 8205044), (52, 6153783), (71, 4506996), (78, 4102522), (142, 2253498), (156, 2051261), (167, 1916148), (173, 1849692), (213, 1502332), (284, 1126749), (334, 958074), (346, 924846), (426, 751166), (501, 638716), (519, 616564), (668, 479037), (692, 462423), (852, 375583), (923, 346692), (1002, 319358), (1038, 308282), (1846, 173346), (2004, 159679), (2076, 154141), (2171, 147396), (2249, 142284), (2769, 115564), (3692, 86673), (4342, 73698), (4498, 71142), (5538, 57782), (6513, 49132), (6747, 47428), (8684, 36849), (8996, 35571), (11076, 28891), (11857, 26988), (12283, 26052), (13026, 24566), (13494, 23714)]