80903508

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 220937472

約数和(自身を除く): 140033964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 223, 294, 446, 588, 617, 669, 892, 1234, 1338, 1561, 1851, 2468, 2676, 3122, 3702, 4319, 4683, 6244, 7404, 8638, 9366, 10927, 12957, 17276, 18732, 21854, 25914, 30233, 32781, 43708, 51828, 60466, 65562, 90699, 120932, 131124, 137591, 181398, 275182, 362796, 412773, 550364, 825546, 963137, 1651092, 1926274, 2889411, 3852548, 5778822, 6741959, 11557644, 13483918, 20225877, 26967836, 40451754, 80903508]

約数ペア:

[(1, 80903508), (2, 40451754), (3, 26967836), (4, 20225877), (6, 13483918), (7, 11557644), (12, 6741959), (14, 5778822), (21, 3852548), (28, 2889411), (42, 1926274), (49, 1651092), (84, 963137), (98, 825546), (147, 550364), (196, 412773), (223, 362796), (294, 275182), (446, 181398), (588, 137591), (617, 131124), (669, 120932), (892, 90699), (1234, 65562), (1338, 60466), (1561, 51828), (1851, 43708), (2468, 32781), (2676, 30233), (3122, 25914), (3702, 21854), (4319, 18732), (4683, 17276), (6244, 12957), (7404, 10927), (8638, 9366)]