31898690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2393}}^1$

素因数の和:2474

約数の個数: 32

約数和(自身を含む): 60673536

約数和(自身を除く): 28774846

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 2393, 2666, 4786, 6665, 11965, 13330, 23930, 74183, 102899, 148366, 205798, 370915, 514495, 741830, 1028990, 3189869, 6379738, 15949345, 31898690]

約数ペア:

[(1, 31898690), (2, 15949345), (5, 6379738), (10, 3189869), (31, 1028990), (43, 741830), (62, 514495), (86, 370915), (155, 205798), (215, 148366), (310, 102899), (430, 74183), (1333, 23930), (2393, 13330), (2666, 11965), (4786, 6665)]