388515534

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{631}}^1$

素因数の和:1157

約数の個数: 64

約数和(自身を含む): 895518720

約数和(自身を除く): 507003186

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 491, 627, 631, 982, 1254, 1262, 1473, 1893, 2946, 3786, 5401, 6941, 9329, 10802, 11989, 13882, 16203, 18658, 20823, 23978, 27987, 32406, 35967, 41646, 55974, 71934, 102619, 131879, 205238, 263758, 307857, 309821, 395637, 615714, 619642, 791274, 929463, 1858926, 3408031, 5886599, 6816062, 10224093, 11773198, 17659797, 20448186, 35319594, 64752589, 129505178, 194257767, 388515534]

約数ペア:

[(1, 388515534), (2, 194257767), (3, 129505178), (6, 64752589), (11, 35319594), (19, 20448186), (22, 17659797), (33, 11773198), (38, 10224093), (57, 6816062), (66, 5886599), (114, 3408031), (209, 1858926), (418, 929463), (491, 791274), (627, 619642), (631, 615714), (982, 395637), (1254, 309821), (1262, 307857), (1473, 263758), (1893, 205238), (2946, 131879), (3786, 102619), (5401, 71934), (6941, 55974), (9329, 41646), (10802, 35967), (11989, 32406), (13882, 27987), (16203, 23978), (18658, 20823)]