213508715

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{569}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 299427840

約数和(自身を除く): 85919125

約数列:

[1, 5, 7, 35, 71, 151, 355, 497, 569, 755, 1057, 2485, 2845, 3983, 5285, 10721, 19915, 40399, 53605, 75047, 85919, 201995, 282793, 375235, 429595, 601433, 1413965, 3007165, 6100249, 30501245, 42701743, 213508715]

約数ペア:

[(1, 213508715), (5, 42701743), (7, 30501245), (35, 6100249), (71, 3007165), (151, 1413965), (355, 601433), (497, 429595), (569, 375235), (755, 282793), (1057, 201995), (2485, 85919), (2845, 75047), (3983, 53605), (5285, 40399), (10721, 19915)]