71517616

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:517

約数の個数: 40

約数和(自身を含む): 141174000

約数和(自身を除く): 69656384

約数列:

[1, 2, 4, 8, 16, 131, 149, 229, 262, 298, 458, 524, 596, 916, 1048, 1192, 1832, 2096, 2384, 3664, 19519, 29999, 34121, 39038, 59998, 68242, 78076, 119996, 136484, 156152, 239992, 272968, 312304, 479984, 545936, 4469851, 8939702, 17879404, 35758808, 71517616]

約数ペア:

[(1, 71517616), (2, 35758808), (4, 17879404), (8, 8939702), (16, 4469851), (131, 545936), (149, 479984), (229, 312304), (262, 272968), (298, 239992), (458, 156152), (524, 136484), (596, 119996), (916, 78076), (1048, 68242), (1192, 59998), (1832, 39038), (2096, 34121), (2384, 29999), (3664, 19519)]