216765978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{252641}}^1$

素因数の和:252670

約数の個数: 32

約数和(自身を含む): 509326272

約数和(自身を除く): 292560294

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 252641, 505282, 757923, 1515846, 2779051, 3284333, 5558102, 6568666, 8337153, 9852999, 16674306, 19705998, 36127663, 72255326, 108382989, 216765978]

約数ペア:

[(1, 216765978), (2, 108382989), (3, 72255326), (6, 36127663), (11, 19705998), (13, 16674306), (22, 9852999), (26, 8337153), (33, 6568666), (39, 5558102), (66, 3284333), (78, 2779051), (143, 1515846), (286, 757923), (429, 505282), (858, 252641)]