398759712

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{319519}}^1$

素因数の和:319545

約数の個数: 48

約数和(自身を含む): 1127266560

約数和(自身を除く): 728506848

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 319519, 639038, 958557, 1278076, 1917114, 2556152, 3834228, 4153747, 5112304, 7668456, 8307494, 10224608, 12461241, 15336912, 16614988, 24922482, 30673824, 33229976, 49844964, 66459952, 99689928, 132919904, 199379856, 398759712]

約数ペア:

[(1, 398759712), (2, 199379856), (3, 132919904), (4, 99689928), (6, 66459952), (8, 49844964), (12, 33229976), (13, 30673824), (16, 24922482), (24, 16614988), (26, 15336912), (32, 12461241), (39, 10224608), (48, 8307494), (52, 7668456), (78, 5112304), (96, 4153747), (104, 3834228), (156, 2556152), (208, 1917114), (312, 1278076), (416, 958557), (624, 639038), (1248, 319519)]