78748516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1531}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 172956672

約数和(自身を除く): 94208156

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 167, 308, 334, 668, 1169, 1531, 1837, 2338, 3062, 3674, 4676, 6124, 7348, 10717, 12859, 16841, 21434, 25718, 33682, 42868, 51436, 67364, 117887, 235774, 255677, 471548, 511354, 1022708, 1789739, 2812447, 3579478, 5624894, 7158956, 11249788, 19687129, 39374258, 78748516]

約数ペア:

[(1, 78748516), (2, 39374258), (4, 19687129), (7, 11249788), (11, 7158956), (14, 5624894), (22, 3579478), (28, 2812447), (44, 1789739), (77, 1022708), (154, 511354), (167, 471548), (308, 255677), (334, 235774), (668, 117887), (1169, 67364), (1531, 51436), (1837, 42868), (2338, 33682), (3062, 25718), (3674, 21434), (4676, 16841), (6124, 12859), (7348, 10717)]