28869310

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 53514432

約数和(自身を除く): 24645122

約数列:

[1, 2, 5, 10, 71, 73, 142, 146, 355, 365, 557, 710, 730, 1114, 2785, 5183, 5570, 10366, 25915, 39547, 40661, 51830, 79094, 81322, 197735, 203305, 395470, 406610, 2886931, 5773862, 14434655, 28869310]

約数ペア:

[(1, 28869310), (2, 14434655), (5, 5773862), (10, 2886931), (71, 406610), (73, 395470), (142, 203305), (146, 197735), (355, 81322), (365, 79094), (557, 51830), (710, 40661), (730, 39547), (1114, 25915), (2785, 10366), (5183, 5570)]