261315252

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{8353}}^1$

素因数の和:8453

約数の個数: 72

約数和(自身を含む): 729805440

約数和(自身を除く): 468490188

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 79, 99, 132, 158, 198, 237, 316, 396, 474, 711, 869, 948, 1422, 1738, 2607, 2844, 3476, 5214, 7821, 8353, 10428, 15642, 16706, 25059, 31284, 33412, 50118, 75177, 91883, 100236, 150354, 183766, 275649, 300708, 367532, 551298, 659887, 826947, 1102596, 1319774, 1653894, 1979661, 2639548, 3307788, 3959322, 5938983, 7258757, 7918644, 11877966, 14517514, 21776271, 23755932, 29035028, 43552542, 65328813, 87105084, 130657626, 261315252]

約数ペア:

[(1, 261315252), (2, 130657626), (3, 87105084), (4, 65328813), (6, 43552542), (9, 29035028), (11, 23755932), (12, 21776271), (18, 14517514), (22, 11877966), (33, 7918644), (36, 7258757), (44, 5938983), (66, 3959322), (79, 3307788), (99, 2639548), (132, 1979661), (158, 1653894), (198, 1319774), (237, 1102596), (316, 826947), (396, 659887), (474, 551298), (711, 367532), (869, 300708), (948, 275649), (1422, 183766), (1738, 150354), (2607, 100236), (2844, 91883), (3476, 75177), (5214, 50118), (7821, 33412), (8353, 31284), (10428, 25059), (15642, 16706)]