28115230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19661}}^1$

素因数の和:19692

約数の個数: 32

約数和(自身を含む): 59457888

約数和(自身を除く): 31342658

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 19661, 39322, 98305, 196610, 216271, 255593, 432542, 511186, 1081355, 1277965, 2162710, 2555930, 2811523, 5623046, 14057615, 28115230]

約数ペア:

[(1, 28115230), (2, 14057615), (5, 5623046), (10, 2811523), (11, 2555930), (13, 2162710), (22, 1277965), (26, 1081355), (55, 511186), (65, 432542), (110, 255593), (130, 216271), (143, 196610), (286, 98305), (715, 39322), (1430, 19661)]