1388985948

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{262469}}^1$

素因数の和:262496

約数の個数: 72

約数和(自身を含む): 4189021200

約数和(自身を除く): 2800035252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 5292, 262469, 524938, 787407, 1049876, 1574814, 1837283, 2362221, 3149628, 3674566, 4724442, 5511849, 7086663, 7349132, 9448884, 11023698, 12860981, 14173326, 16535547, 22047396, 25721962, 28346652, 33071094, 38582943, 49606641, 51443924, 66142188, 77165886, 99213282, 115748829, 154331772, 198426564, 231497658, 347246487, 462995316, 694492974, 1388985948]

約数ペア:

[(1, 1388985948), (2, 694492974), (3, 462995316), (4, 347246487), (6, 231497658), (7, 198426564), (9, 154331772), (12, 115748829), (14, 99213282), (18, 77165886), (21, 66142188), (27, 51443924), (28, 49606641), (36, 38582943), (42, 33071094), (49, 28346652), (54, 25721962), (63, 22047396), (84, 16535547), (98, 14173326), (108, 12860981), (126, 11023698), (147, 9448884), (189, 7349132), (196, 7086663), (252, 5511849), (294, 4724442), (378, 3674566), (441, 3149628), (588, 2362221), (756, 1837283), (882, 1574814), (1323, 1049876), (1764, 787407), (2646, 524938), (5292, 262469)]