281648052

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{2137}}^1$

素因数の和:2677

約数の個数: 72

約数和(自身を含む): 815587136

約数和(自身を除く): 533939084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 523, 1046, 1569, 2092, 2137, 3138, 3661, 4274, 4707, 6276, 6411, 7322, 8548, 9414, 10983, 12822, 14644, 14959, 18828, 19233, 21966, 25644, 29918, 32949, 38466, 43932, 44877, 59836, 65898, 76932, 89754, 131796, 134631, 179508, 269262, 538524, 1117651, 2235302, 3352953, 4470604, 6705906, 7823557, 10058859, 13411812, 15647114, 20117718, 23470671, 31294228, 40235436, 46941342, 70412013, 93882684, 140824026, 281648052]

約数ペア:

[(1, 281648052), (2, 140824026), (3, 93882684), (4, 70412013), (6, 46941342), (7, 40235436), (9, 31294228), (12, 23470671), (14, 20117718), (18, 15647114), (21, 13411812), (28, 10058859), (36, 7823557), (42, 6705906), (63, 4470604), (84, 3352953), (126, 2235302), (252, 1117651), (523, 538524), (1046, 269262), (1569, 179508), (2092, 134631), (2137, 131796), (3138, 89754), (3661, 76932), (4274, 65898), (4707, 59836), (6276, 44877), (6411, 43932), (7322, 38466), (8548, 32949), (9414, 29918), (10983, 25644), (12822, 21966), (14644, 19233), (14959, 18828)]