251236482

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 586911744

約数和(自身を除く): 335675262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 173, 213, 346, 426, 487, 497, 519, 974, 994, 1038, 1211, 1461, 1491, 2422, 2922, 2982, 3409, 3633, 6818, 7266, 10227, 12283, 20454, 24566, 34577, 36849, 69154, 73698, 84251, 85981, 103731, 168502, 171962, 207462, 242039, 252753, 257943, 484078, 505506, 515886, 589757, 726117, 1179514, 1452234, 1769271, 3538542, 5981821, 11963642, 17945463, 35890926, 41872747, 83745494, 125618241, 251236482]

約数ペア:

[(1, 251236482), (2, 125618241), (3, 83745494), (6, 41872747), (7, 35890926), (14, 17945463), (21, 11963642), (42, 5981821), (71, 3538542), (142, 1769271), (173, 1452234), (213, 1179514), (346, 726117), (426, 589757), (487, 515886), (497, 505506), (519, 484078), (974, 257943), (994, 252753), (1038, 242039), (1211, 207462), (1461, 171962), (1491, 168502), (2422, 103731), (2922, 85981), (2982, 84251), (3409, 73698), (3633, 69154), (6818, 36849), (7266, 34577), (10227, 24566), (12283, 20454)]