389688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 1050000

約数和(自身を除く): 660312

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1249, 2498, 3747, 4996, 7494, 9992, 14988, 16237, 29976, 32474, 48711, 64948, 97422, 129896, 194844, 389688]

約数ペア:

[(1, 389688), (2, 194844), (3, 129896), (4, 97422), (6, 64948), (8, 48711), (12, 32474), (13, 29976), (24, 16237), (26, 14988), (39, 9992), (52, 7494), (78, 4996), (104, 3747), (156, 2498), (312, 1249)]