289242772

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25633}}^1$

素因数の和:25688

約数の個数: 48

約数和(自身を含む): 643105792

約数和(自身を除く): 353863020

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 25633, 51266, 102532, 179431, 333229, 358862, 666458, 717724, 794623, 1332916, 1589246, 2332603, 3178492, 4665206, 5562361, 9330412, 10330099, 11124722, 20660198, 22249444, 41320396, 72310693, 144621386, 289242772]

約数ペア:

[(1, 289242772), (2, 144621386), (4, 72310693), (7, 41320396), (13, 22249444), (14, 20660198), (26, 11124722), (28, 10330099), (31, 9330412), (52, 5562361), (62, 4665206), (91, 3178492), (124, 2332603), (182, 1589246), (217, 1332916), (364, 794623), (403, 717724), (434, 666458), (806, 358862), (868, 333229), (1612, 179431), (2821, 102532), (5642, 51266), (11284, 25633)]