399307584

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{159979}}^1$

素因数の和:160007

約数の個数: 56

約数和(自身を含む): 1137777760

約数和(自身を除く): 738470176

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 159979, 319958, 479937, 639916, 959874, 1279832, 1919748, 2079727, 2559664, 3839496, 4159454, 5119328, 6239181, 7678992, 8318908, 10238656, 12478362, 15357984, 16637816, 24956724, 30715968, 33275632, 49913448, 66551264, 99826896, 133102528, 199653792, 399307584]

約数ペア:

[(1, 399307584), (2, 199653792), (3, 133102528), (4, 99826896), (6, 66551264), (8, 49913448), (12, 33275632), (13, 30715968), (16, 24956724), (24, 16637816), (26, 15357984), (32, 12478362), (39, 10238656), (48, 8318908), (52, 7678992), (64, 6239181), (78, 5119328), (96, 4159454), (104, 3839496), (156, 2559664), (192, 2079727), (208, 1919748), (312, 1279832), (416, 959874), (624, 639916), (832, 479937), (1248, 319958), (2496, 159979)]