258314785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{367}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 339148800

約数和(自身を除く): 80834015

約数列:

[1, 5, 19, 31, 95, 155, 239, 367, 589, 1195, 1835, 2945, 4541, 6973, 7409, 11377, 22705, 34865, 37045, 56885, 87713, 140771, 216163, 438565, 703855, 1080815, 1666547, 2719103, 8332735, 13595515, 51662957, 258314785]

約数ペア:

[(1, 258314785), (5, 51662957), (19, 13595515), (31, 8332735), (95, 2719103), (155, 1666547), (239, 1080815), (367, 703855), (589, 438565), (1195, 216163), (1835, 140771), (2945, 87713), (4541, 56885), (6973, 37045), (7409, 34865), (11377, 22705)]