28859915

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 41570304

約数和(自身を除く): 12710389

約数列:

[1, 5, 7, 31, 35, 67, 155, 217, 335, 397, 469, 1085, 1985, 2077, 2345, 2779, 10385, 12307, 13895, 14539, 26599, 61535, 72695, 86149, 132995, 186193, 430745, 824569, 930965, 4122845, 5771983, 28859915]

約数ペア:

[(1, 28859915), (5, 5771983), (7, 4122845), (31, 930965), (35, 824569), (67, 430745), (155, 186193), (217, 132995), (335, 86149), (397, 72695), (469, 61535), (1085, 26599), (1985, 14539), (2077, 13895), (2345, 12307), (2779, 10385)]