66758972

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 144789120

約数和(自身を除く): 78030148

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 59, 92, 98, 118, 161, 196, 236, 251, 322, 413, 502, 644, 826, 1004, 1127, 1357, 1652, 1757, 2254, 2714, 2891, 3514, 4508, 5428, 5773, 5782, 7028, 9499, 11546, 11564, 12299, 14809, 18998, 23092, 24598, 29618, 37996, 40411, 49196, 59236, 66493, 80822, 103663, 132986, 161644, 207326, 265972, 282877, 340607, 414652, 565754, 681214, 725641, 1131508, 1362428, 1451282, 2384249, 2902564, 4768498, 9536996, 16689743, 33379486, 66758972]

約数ペア:

[(1, 66758972), (2, 33379486), (4, 16689743), (7, 9536996), (14, 4768498), (23, 2902564), (28, 2384249), (46, 1451282), (49, 1362428), (59, 1131508), (92, 725641), (98, 681214), (118, 565754), (161, 414652), (196, 340607), (236, 282877), (251, 265972), (322, 207326), (413, 161644), (502, 132986), (644, 103663), (826, 80822), (1004, 66493), (1127, 59236), (1357, 49196), (1652, 40411), (1757, 37996), (2254, 29618), (2714, 24598), (2891, 23092), (3514, 18998), (4508, 14809), (5428, 12299), (5773, 11564), (5782, 11546), (7028, 9499)]