81936216

素因数分解:

$2^3\times 3^2\times {\mathrm{571}}^1\times {\mathrm{1993}}^1$

素因数の和:2576

約数の個数: 48

約数和(自身を含む): 222410760

約数和(自身を除く): 140474544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 571, 1142, 1713, 1993, 2284, 3426, 3986, 4568, 5139, 5979, 6852, 7972, 10278, 11958, 13704, 15944, 17937, 20556, 23916, 35874, 41112, 47832, 71748, 143496, 1138003, 2276006, 3414009, 4552012, 6828018, 9104024, 10242027, 13656036, 20484054, 27312072, 40968108, 81936216]

約数ペア:

[(1, 81936216), (2, 40968108), (3, 27312072), (4, 20484054), (6, 13656036), (8, 10242027), (9, 9104024), (12, 6828018), (18, 4552012), (24, 3414009), (36, 2276006), (72, 1138003), (571, 143496), (1142, 71748), (1713, 47832), (1993, 41112), (2284, 35874), (3426, 23916), (3986, 20556), (4568, 17937), (5139, 15944), (5979, 13704), (6852, 11958), (7972, 10278)]