1221329096

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{2087}}^1$

素因数の和:2454

約数の個数: 64

約数和(自身を含む): 2620356480

約数和(自身を除く): 1399027384

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 331, 442, 662, 884, 1324, 1768, 2087, 2648, 4174, 4303, 5627, 8348, 8606, 11254, 16696, 17212, 22508, 27131, 34424, 35479, 45016, 54262, 70958, 73151, 108524, 141916, 146302, 217048, 283832, 292604, 461227, 585208, 690797, 922454, 1381594, 1844908, 2763188, 3689816, 5526376, 8980361, 11743549, 17960722, 23487098, 35921444, 46974196, 71842888, 93948392, 152666137, 305332274, 610664548, 1221329096]

約数ペア:

[(1, 1221329096), (2, 610664548), (4, 305332274), (8, 152666137), (13, 93948392), (17, 71842888), (26, 46974196), (34, 35921444), (52, 23487098), (68, 17960722), (104, 11743549), (136, 8980361), (221, 5526376), (331, 3689816), (442, 2763188), (662, 1844908), (884, 1381594), (1324, 922454), (1768, 690797), (2087, 585208), (2648, 461227), (4174, 292604), (4303, 283832), (5627, 217048), (8348, 146302), (8606, 141916), (11254, 108524), (16696, 73151), (17212, 70958), (22508, 54262), (27131, 45016), (34424, 35479)]