638819196

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{59}}^2\times {\mathrm{373}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 1557416784

約数和(自身を除く): 918597588

約数列:

[1, 2, 3, 4, 6, 12, 41, 59, 82, 118, 123, 164, 177, 236, 246, 354, 373, 492, 708, 746, 1119, 1492, 2238, 2419, 3481, 4476, 4838, 6962, 7257, 9676, 10443, 13924, 14514, 15293, 20886, 22007, 29028, 30586, 41772, 44014, 45879, 61172, 66021, 88028, 91758, 132042, 142721, 183516, 264084, 285442, 428163, 570884, 856326, 902287, 1298413, 1712652, 1804574, 2596826, 2706861, 3609148, 3895239, 5193652, 5413722, 7790478, 10827444, 15580956, 53234933, 106469866, 159704799, 212939732, 319409598, 638819196]

約数ペア:

[(1, 638819196), (2, 319409598), (3, 212939732), (4, 159704799), (6, 106469866), (12, 53234933), (41, 15580956), (59, 10827444), (82, 7790478), (118, 5413722), (123, 5193652), (164, 3895239), (177, 3609148), (236, 2706861), (246, 2596826), (354, 1804574), (373, 1712652), (492, 1298413), (708, 902287), (746, 856326), (1119, 570884), (1492, 428163), (2238, 285442), (2419, 264084), (3481, 183516), (4476, 142721), (4838, 132042), (6962, 91758), (7257, 88028), (9676, 66021), (10443, 61172), (13924, 45879), (14514, 44014), (15293, 41772), (20886, 30586), (22007, 29028)]