291117739

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 344342016

約数和(自身を除く): 53224277

約数列:

[1, 11, 23, 37, 137, 227, 253, 407, 851, 1507, 2497, 3151, 5069, 5221, 8399, 9361, 31099, 34661, 55759, 57431, 92389, 116587, 193177, 342089, 715277, 1150663, 1282457, 2124947, 7868047, 12657293, 26465249, 291117739]

約数ペア:

[(1, 291117739), (11, 26465249), (23, 12657293), (37, 7868047), (137, 2124947), (227, 1282457), (253, 1150663), (407, 715277), (851, 342089), (1507, 193177), (2497, 116587), (3151, 92389), (5069, 57431), (5221, 55759), (8399, 34661), (9361, 31099)]