15980718

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{971}}^1$

素因数の和:1200

約数の個数: 32

約数和(自身を含む): 34618752

約数和(自身を除く): 18638034

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 211, 422, 633, 971, 1266, 1942, 2743, 2913, 5486, 5826, 8229, 12623, 16458, 25246, 37869, 75738, 204881, 409762, 614643, 1229286, 2663453, 5326906, 7990359, 15980718]

約数ペア:

[(1, 15980718), (2, 7990359), (3, 5326906), (6, 2663453), (13, 1229286), (26, 614643), (39, 409762), (78, 204881), (211, 75738), (422, 37869), (633, 25246), (971, 16458), (1266, 12623), (1942, 8229), (2743, 5826), (2913, 5486)]