31257584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:705

約数の個数: 40

約数和(自身を含む): 64170000

約数和(自身を除く): 32912416

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 229, 304, 449, 458, 898, 916, 1796, 1832, 3592, 3664, 4351, 7184, 8531, 8702, 17062, 17404, 34124, 34808, 68248, 69616, 102821, 136496, 205642, 411284, 822568, 1645136, 1953599, 3907198, 7814396, 15628792, 31257584]

約数ペア:

[(1, 31257584), (2, 15628792), (4, 7814396), (8, 3907198), (16, 1953599), (19, 1645136), (38, 822568), (76, 411284), (152, 205642), (229, 136496), (304, 102821), (449, 69616), (458, 68248), (898, 34808), (916, 34124), (1796, 17404), (1832, 17062), (3592, 8702), (3664, 8531), (4351, 7184)]