28984986

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 67305600

約数和(自身を除く): 38320614

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 89, 111, 163, 178, 222, 267, 326, 333, 489, 534, 666, 801, 978, 999, 1467, 1602, 1998, 2403, 2934, 3293, 4401, 4806, 6031, 6586, 8802, 9879, 12062, 14507, 18093, 19758, 29014, 29637, 36186, 43521, 54279, 59274, 87042, 88911, 108558, 130563, 162837, 177822, 261126, 325674, 391689, 536759, 783378, 1073518, 1610277, 3220554, 4830831, 9661662, 14492493, 28984986]

約数ペア:

[(1, 28984986), (2, 14492493), (3, 9661662), (6, 4830831), (9, 3220554), (18, 1610277), (27, 1073518), (37, 783378), (54, 536759), (74, 391689), (89, 325674), (111, 261126), (163, 177822), (178, 162837), (222, 130563), (267, 108558), (326, 88911), (333, 87042), (489, 59274), (534, 54279), (666, 43521), (801, 36186), (978, 29637), (999, 29014), (1467, 19758), (1602, 18093), (1998, 14507), (2403, 12062), (2934, 9879), (3293, 8802), (4401, 6586), (4806, 6031)]