389622402

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{263}}^1\times {\mathrm{487}}^1$

素因数の和:784

約数の個数: 72

約数和(自身を含む): 919473984

約数和(自身を除く): 529851582

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 263, 338, 487, 507, 526, 789, 974, 1014, 1461, 1521, 1578, 2367, 2922, 3042, 3419, 4383, 4734, 6331, 6838, 8766, 10257, 12662, 18993, 20514, 30771, 37986, 44447, 56979, 61542, 82303, 88894, 113958, 128081, 133341, 164606, 246909, 256162, 266682, 384243, 400023, 493818, 740727, 768486, 800046, 1152729, 1481454, 1665053, 2305458, 3330106, 4995159, 9990318, 14985477, 21645689, 29970954, 43291378, 64937067, 129874134, 194811201, 389622402]

約数ペア:

[(1, 389622402), (2, 194811201), (3, 129874134), (6, 64937067), (9, 43291378), (13, 29970954), (18, 21645689), (26, 14985477), (39, 9990318), (78, 4995159), (117, 3330106), (169, 2305458), (234, 1665053), (263, 1481454), (338, 1152729), (487, 800046), (507, 768486), (526, 740727), (789, 493818), (974, 400023), (1014, 384243), (1461, 266682), (1521, 256162), (1578, 246909), (2367, 164606), (2922, 133341), (3042, 128081), (3419, 113958), (4383, 88894), (4734, 82303), (6331, 61542), (6838, 56979), (8766, 44447), (10257, 37986), (12662, 30771), (18993, 20514)]