64406916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{593}}^1$

素因数の和:1041

約数の個数: 72

約数和(自身を含む): 186810624

約数和(自身を除く): 122403708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 431, 593, 862, 1186, 1293, 1724, 1779, 2372, 2586, 3017, 3558, 3879, 4151, 5172, 5337, 6034, 7116, 7758, 8302, 9051, 10674, 12068, 12453, 15516, 16604, 18102, 21348, 24906, 27153, 36204, 37359, 49812, 54306, 74718, 108612, 149436, 255583, 511166, 766749, 1022332, 1533498, 1789081, 2300247, 3066996, 3578162, 4600494, 5367243, 7156324, 9200988, 10734486, 16101729, 21468972, 32203458, 64406916]

約数ペア:

[(1, 64406916), (2, 32203458), (3, 21468972), (4, 16101729), (6, 10734486), (7, 9200988), (9, 7156324), (12, 5367243), (14, 4600494), (18, 3578162), (21, 3066996), (28, 2300247), (36, 1789081), (42, 1533498), (63, 1022332), (84, 766749), (126, 511166), (252, 255583), (431, 149436), (593, 108612), (862, 74718), (1186, 54306), (1293, 49812), (1724, 37359), (1779, 36204), (2372, 27153), (2586, 24906), (3017, 21348), (3558, 18102), (3879, 16604), (4151, 15516), (5172, 12453), (5337, 12068), (6034, 10674), (7116, 9051), (7758, 8302)]