164613872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3449}}^1$

素因数の和:3633

約数の個数: 40

約数和(自身を含む): 337962000

約数和(自身を除く): 173348128

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 628, 1256, 2512, 2983, 3449, 5966, 6898, 11932, 13796, 23864, 27592, 47728, 55184, 65531, 131062, 262124, 524248, 541493, 1048496, 1082986, 2165972, 4331944, 8663888, 10288367, 20576734, 41153468, 82306936, 164613872]

約数ペア:

[(1, 164613872), (2, 82306936), (4, 41153468), (8, 20576734), (16, 10288367), (19, 8663888), (38, 4331944), (76, 2165972), (152, 1082986), (157, 1048496), (304, 541493), (314, 524248), (628, 262124), (1256, 131062), (2512, 65531), (2983, 55184), (3449, 47728), (5966, 27592), (6898, 23864), (11932, 13796)]