678488972

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{18043}}^1$

素因数の和:18150

約数の個数: 48

約数和(自身を含む): 1455068160

約数和(自身を除く): 776579188

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 79, 119, 158, 238, 316, 476, 553, 1106, 1343, 2212, 2686, 5372, 9401, 18043, 18802, 36086, 37604, 72172, 126301, 252602, 306731, 505204, 613462, 1226924, 1425397, 2147117, 2850794, 4294234, 5701588, 8588468, 9977779, 19955558, 24231749, 39911116, 48463498, 96926996, 169622243, 339244486, 678488972]

約数ペア:

[(1, 678488972), (2, 339244486), (4, 169622243), (7, 96926996), (14, 48463498), (17, 39911116), (28, 24231749), (34, 19955558), (68, 9977779), (79, 8588468), (119, 5701588), (158, 4294234), (238, 2850794), (316, 2147117), (476, 1425397), (553, 1226924), (1106, 613462), (1343, 505204), (2212, 306731), (2686, 252602), (5372, 126301), (9401, 72172), (18043, 37604), (18802, 36086)]