717948

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:72

約数の個数: 108

約数和(自身を含む): 2365272

約数和(自身を除く): 1647324

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 37, 42, 44, 49, 63, 66, 74, 77, 84, 98, 99, 111, 126, 132, 147, 148, 154, 196, 198, 222, 231, 252, 259, 294, 308, 333, 396, 407, 441, 444, 462, 518, 539, 588, 666, 693, 777, 814, 882, 924, 1036, 1078, 1221, 1332, 1386, 1554, 1617, 1628, 1764, 1813, 2156, 2331, 2442, 2772, 2849, 3108, 3234, 3626, 3663, 4662, 4851, 4884, 5439, 5698, 6468, 7252, 7326, 8547, 9324, 9702, 10878, 11396, 14652, 16317, 17094, 19404, 19943, 21756, 25641, 32634, 34188, 39886, 51282, 59829, 65268, 79772, 102564, 119658, 179487, 239316, 358974, 717948]

約数ペア:

[(1, 717948), (2, 358974), (3, 239316), (4, 179487), (6, 119658), (7, 102564), (9, 79772), (11, 65268), (12, 59829), (14, 51282), (18, 39886), (21, 34188), (22, 32634), (28, 25641), (33, 21756), (36, 19943), (37, 19404), (42, 17094), (44, 16317), (49, 14652), (63, 11396), (66, 10878), (74, 9702), (77, 9324), (84, 8547), (98, 7326), (99, 7252), (111, 6468), (126, 5698), (132, 5439), (147, 4884), (148, 4851), (154, 4662), (196, 3663), (198, 3626), (222, 3234), (231, 3108), (252, 2849), (259, 2772), (294, 2442), (308, 2331), (333, 2156), (396, 1813), (407, 1764), (441, 1628), (444, 1617), (462, 1554), (518, 1386), (539, 1332), (588, 1221), (666, 1078), (693, 1036), (777, 924), (814, 882)]