221430712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1279}}^1$

素因数の和:1388

約数の個数: 64

約数和(自身を含む): 470016000

約数和(自身を除く): 248585288

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 67, 68, 76, 134, 136, 152, 268, 323, 536, 646, 1139, 1273, 1279, 1292, 2278, 2546, 2558, 2584, 4556, 5092, 5116, 9112, 10184, 10232, 21641, 21743, 24301, 43282, 43486, 48602, 85693, 86564, 86972, 97204, 171386, 173128, 173944, 194408, 342772, 413117, 685544, 826234, 1456781, 1628167, 1652468, 2913562, 3256334, 3304936, 5827124, 6512668, 11654248, 13025336, 27678839, 55357678, 110715356, 221430712]

約数ペア:

[(1, 221430712), (2, 110715356), (4, 55357678), (8, 27678839), (17, 13025336), (19, 11654248), (34, 6512668), (38, 5827124), (67, 3304936), (68, 3256334), (76, 2913562), (134, 1652468), (136, 1628167), (152, 1456781), (268, 826234), (323, 685544), (536, 413117), (646, 342772), (1139, 194408), (1273, 173944), (1279, 173128), (1292, 171386), (2278, 97204), (2546, 86972), (2558, 86564), (2584, 85693), (4556, 48602), (5092, 43486), (5116, 43282), (9112, 24301), (10184, 21743), (10232, 21641)]