178319428

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 379413888

約数和(自身を除く): 201094460

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 67, 74, 98, 134, 148, 196, 259, 268, 367, 469, 518, 734, 938, 1036, 1468, 1813, 1876, 2479, 2569, 3283, 3626, 4958, 5138, 6566, 7252, 9916, 10276, 13132, 13579, 17353, 17983, 24589, 27158, 34706, 35966, 49178, 54316, 69412, 71932, 95053, 98356, 121471, 172123, 190106, 242942, 344246, 380212, 485884, 665371, 688492, 909793, 1204861, 1330742, 1819586, 2409722, 2661484, 3639172, 4819444, 6368551, 12737102, 25474204, 44579857, 89159714, 178319428]

約数ペア:

[(1, 178319428), (2, 89159714), (4, 44579857), (7, 25474204), (14, 12737102), (28, 6368551), (37, 4819444), (49, 3639172), (67, 2661484), (74, 2409722), (98, 1819586), (134, 1330742), (148, 1204861), (196, 909793), (259, 688492), (268, 665371), (367, 485884), (469, 380212), (518, 344246), (734, 242942), (938, 190106), (1036, 172123), (1468, 121471), (1813, 98356), (1876, 95053), (2479, 71932), (2569, 69412), (3283, 54316), (3626, 49178), (4958, 35966), (5138, 34706), (6566, 27158), (7252, 24589), (9916, 17983), (10276, 17353), (13132, 13579)]