87988212

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{821}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 240862440

約数和(自身を除く): 152874228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 229, 234, 458, 468, 687, 821, 916, 1374, 1642, 2061, 2463, 2748, 2977, 3284, 4122, 4926, 5954, 7389, 8244, 8931, 9852, 10673, 11908, 14778, 17862, 21346, 26793, 29556, 32019, 35724, 42692, 53586, 64038, 96057, 107172, 128076, 188009, 192114, 376018, 384228, 564027, 752036, 1128054, 1692081, 2256108, 2444117, 3384162, 4888234, 6768324, 7332351, 9776468, 14664702, 21997053, 29329404, 43994106, 87988212]

約数ペア:

[(1, 87988212), (2, 43994106), (3, 29329404), (4, 21997053), (6, 14664702), (9, 9776468), (12, 7332351), (13, 6768324), (18, 4888234), (26, 3384162), (36, 2444117), (39, 2256108), (52, 1692081), (78, 1128054), (117, 752036), (156, 564027), (229, 384228), (234, 376018), (458, 192114), (468, 188009), (687, 128076), (821, 107172), (916, 96057), (1374, 64038), (1642, 53586), (2061, 42692), (2463, 35724), (2748, 32019), (2977, 29556), (3284, 26793), (4122, 21346), (4926, 17862), (5954, 14778), (7389, 11908), (8244, 10673), (8931, 9852)]