128580088

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{739}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 298368000

約数和(自身を除く): 169787912

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 239, 364, 478, 728, 739, 956, 1478, 1673, 1912, 2956, 3107, 3346, 5173, 5912, 6214, 6692, 9607, 10346, 12428, 13384, 19214, 20692, 21749, 24856, 38428, 41384, 43498, 67249, 76856, 86996, 134498, 173992, 176621, 268996, 353242, 537992, 706484, 1236347, 1412968, 2296073, 2472694, 4592146, 4945388, 9184292, 9890776, 16072511, 18368584, 32145022, 64290044, 128580088]

約数ペア:

[(1, 128580088), (2, 64290044), (4, 32145022), (7, 18368584), (8, 16072511), (13, 9890776), (14, 9184292), (26, 4945388), (28, 4592146), (52, 2472694), (56, 2296073), (91, 1412968), (104, 1236347), (182, 706484), (239, 537992), (364, 353242), (478, 268996), (728, 176621), (739, 173992), (956, 134498), (1478, 86996), (1673, 76856), (1912, 67249), (2956, 43498), (3107, 41384), (3346, 38428), (5173, 24856), (5912, 21749), (6214, 20692), (6692, 19214), (9607, 13384), (10346, 12428)]