391007988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1551619}}^1$

素因数の和:1551636

約数の個数: 36

約数和(自身を含む): 1129579360

約数和(自身を除く): 738571372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1551619, 3103238, 4654857, 6206476, 9309714, 10861333, 13964571, 18619428, 21722666, 27929142, 32583999, 43445332, 55858284, 65167998, 97751997, 130335996, 195503994, 391007988]

約数ペア:

[(1, 391007988), (2, 195503994), (3, 130335996), (4, 97751997), (6, 65167998), (7, 55858284), (9, 43445332), (12, 32583999), (14, 27929142), (18, 21722666), (21, 18619428), (28, 13964571), (36, 10861333), (42, 9309714), (63, 6206476), (84, 4654857), (126, 3103238), (252, 1551619)]