28986986

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 51020928

約数和(自身を除く): 22033942

約数列:

[1, 2, 7, 14, 73, 113, 146, 226, 251, 502, 511, 791, 1022, 1582, 1757, 3514, 8249, 16498, 18323, 28363, 36646, 56726, 57743, 115486, 128261, 198541, 256522, 397082, 2070499, 4140998, 14493493, 28986986]

約数ペア:

[(1, 28986986), (2, 14493493), (7, 4140998), (14, 2070499), (73, 397082), (113, 256522), (146, 198541), (226, 128261), (251, 115486), (502, 57743), (511, 56726), (791, 36646), (1022, 28363), (1582, 18323), (1757, 16498), (3514, 8249)]