397942188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{278671}}^1$

素因数の和:278702

約数の個数: 48

約数和(自身を含む): 1123605504

約数和(自身を除く): 725663316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 278671, 557342, 836013, 1114684, 1672026, 1950697, 3344052, 3901394, 4737407, 5852091, 7802788, 9474814, 11704182, 14212221, 18949628, 23408364, 28424442, 33161849, 56848884, 66323698, 99485547, 132647396, 198971094, 397942188]

約数ペア:

[(1, 397942188), (2, 198971094), (3, 132647396), (4, 99485547), (6, 66323698), (7, 56848884), (12, 33161849), (14, 28424442), (17, 23408364), (21, 18949628), (28, 14212221), (34, 11704182), (42, 9474814), (51, 7802788), (68, 5852091), (84, 4737407), (102, 3901394), (119, 3344052), (204, 1950697), (238, 1672026), (357, 1114684), (476, 836013), (714, 557342), (1428, 278671)]