208530916

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 418279680

約数和(自身を除く): 209748764

約数列:

[1, 2, 4, 11, 22, 44, 47, 89, 94, 103, 121, 178, 188, 206, 242, 356, 412, 484, 517, 979, 1034, 1133, 1958, 2068, 2266, 3916, 4183, 4532, 4841, 5687, 8366, 9167, 9682, 10769, 11374, 12463, 16732, 18334, 19364, 21538, 22748, 24926, 36668, 43076, 46013, 49852, 53251, 92026, 100837, 106502, 184052, 201674, 213004, 403348, 430849, 506143, 585761, 861698, 1012286, 1109207, 1171522, 1723396, 2024572, 2218414, 2343044, 4436828, 4739339, 9478678, 18957356, 52132729, 104265458, 208530916]

約数ペア:

[(1, 208530916), (2, 104265458), (4, 52132729), (11, 18957356), (22, 9478678), (44, 4739339), (47, 4436828), (89, 2343044), (94, 2218414), (103, 2024572), (121, 1723396), (178, 1171522), (188, 1109207), (206, 1012286), (242, 861698), (356, 585761), (412, 506143), (484, 430849), (517, 403348), (979, 213004), (1034, 201674), (1133, 184052), (1958, 106502), (2068, 100837), (2266, 92026), (3916, 53251), (4183, 49852), (4532, 46013), (4841, 43076), (5687, 36668), (8366, 24926), (9167, 22748), (9682, 21538), (10769, 19364), (11374, 18334), (12463, 16732)]