219291292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{643}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 438826752

約数和(自身を除く): 219535460

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 337, 506, 643, 674, 1012, 1286, 1348, 2572, 3707, 7073, 7414, 7751, 14146, 14789, 14828, 15502, 28292, 29578, 31004, 59156, 85261, 162679, 170522, 216691, 325358, 341044, 433382, 650716, 866764, 2383601, 4767202, 4983893, 9534404, 9967786, 19935572, 54822823, 109645646, 219291292]

約数ペア:

[(1, 219291292), (2, 109645646), (4, 54822823), (11, 19935572), (22, 9967786), (23, 9534404), (44, 4983893), (46, 4767202), (92, 2383601), (253, 866764), (337, 650716), (506, 433382), (643, 341044), (674, 325358), (1012, 216691), (1286, 170522), (1348, 162679), (2572, 85261), (3707, 59156), (7073, 31004), (7414, 29578), (7751, 28292), (14146, 15502), (14789, 14828)]