15661686

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 32054400

約数和(自身を除く): 16392714

約数列:

[1, 2, 3, 6, 89, 139, 178, 211, 267, 278, 417, 422, 534, 633, 834, 1266, 12371, 18779, 24742, 29329, 37113, 37558, 56337, 58658, 74226, 87987, 112674, 175974, 2610281, 5220562, 7830843, 15661686]

約数ペア:

[(1, 15661686), (2, 7830843), (3, 5220562), (6, 2610281), (89, 175974), (139, 112674), (178, 87987), (211, 74226), (267, 58658), (278, 56337), (417, 37558), (422, 37113), (534, 29329), (633, 24742), (834, 18779), (1266, 12371)]