428688

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:256

約数の個数: 60

約数和(自身を含む): 1297660

約数和(自身を除く): 868972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 229, 234, 312, 458, 468, 624, 687, 916, 936, 1374, 1832, 1872, 2061, 2748, 2977, 3664, 4122, 5496, 5954, 8244, 8931, 10992, 11908, 16488, 17862, 23816, 26793, 32976, 35724, 47632, 53586, 71448, 107172, 142896, 214344, 428688]

約数ペア:

[(1, 428688), (2, 214344), (3, 142896), (4, 107172), (6, 71448), (8, 53586), (9, 47632), (12, 35724), (13, 32976), (16, 26793), (18, 23816), (24, 17862), (26, 16488), (36, 11908), (39, 10992), (48, 8931), (52, 8244), (72, 5954), (78, 5496), (104, 4122), (117, 3664), (144, 2977), (156, 2748), (208, 2061), (229, 1872), (234, 1832), (312, 1374), (458, 936), (468, 916), (624, 687)]