215417874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{659}}^1$

素因数の和:895

約数の個数: 64

約数和(自身を含む): 507386880

約数和(自身を除く): 291969006

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 181, 258, 301, 362, 543, 602, 659, 903, 1086, 1267, 1318, 1806, 1977, 2534, 3801, 3954, 4613, 7602, 7783, 9226, 13839, 15566, 23349, 27678, 28337, 46698, 54481, 56674, 85011, 108962, 119279, 163443, 170022, 198359, 238558, 326886, 357837, 396718, 595077, 715674, 834953, 1190154, 1669906, 2504859, 5009718, 5128997, 10257994, 15386991, 30773982, 35902979, 71805958, 107708937, 215417874]

約数ペア:

[(1, 215417874), (2, 107708937), (3, 71805958), (6, 35902979), (7, 30773982), (14, 15386991), (21, 10257994), (42, 5128997), (43, 5009718), (86, 2504859), (129, 1669906), (181, 1190154), (258, 834953), (301, 715674), (362, 595077), (543, 396718), (602, 357837), (659, 326886), (903, 238558), (1086, 198359), (1267, 170022), (1318, 163443), (1806, 119279), (1977, 108962), (2534, 85011), (3801, 56674), (3954, 54481), (4613, 46698), (7602, 28337), (7783, 27678), (9226, 23349), (13839, 15566)]