397011916

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:268

約数の個数: 108

約数和(自身を含む): 885358656

約数和(自身を除く): 488346740

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 49, 62, 76, 98, 124, 133, 181, 196, 217, 266, 361, 362, 434, 532, 589, 722, 724, 868, 931, 1178, 1267, 1444, 1519, 1862, 2356, 2527, 2534, 3038, 3439, 3724, 4123, 5054, 5068, 5611, 6076, 6878, 8246, 8869, 10108, 11191, 11222, 13756, 16492, 17689, 17738, 22382, 22444, 24073, 28861, 35378, 35476, 39277, 44764, 48146, 57722, 65341, 70756, 78337, 78554, 96292, 106609, 115444, 130682, 156674, 157108, 168511, 213218, 261364, 274939, 313348, 337022, 426436, 457387, 548359, 549878, 674044, 746263, 914774, 1096718, 1099756, 1492526, 1829548, 2025571, 2193436, 2985052, 3201709, 4051142, 5223841, 6403418, 8102284, 10447682, 12806836, 14178997, 20895364, 28357994, 56715988, 99252979, 198505958, 397011916]

約数ペア:

[(1, 397011916), (2, 198505958), (4, 99252979), (7, 56715988), (14, 28357994), (19, 20895364), (28, 14178997), (31, 12806836), (38, 10447682), (49, 8102284), (62, 6403418), (76, 5223841), (98, 4051142), (124, 3201709), (133, 2985052), (181, 2193436), (196, 2025571), (217, 1829548), (266, 1492526), (361, 1099756), (362, 1096718), (434, 914774), (532, 746263), (589, 674044), (722, 549878), (724, 548359), (868, 457387), (931, 426436), (1178, 337022), (1267, 313348), (1444, 274939), (1519, 261364), (1862, 213218), (2356, 168511), (2527, 157108), (2534, 156674), (3038, 130682), (3439, 115444), (3724, 106609), (4123, 96292), (5054, 78554), (5068, 78337), (5611, 70756), (6076, 65341), (6878, 57722), (8246, 48146), (8869, 44764), (10108, 39277), (11191, 35476), (11222, 35378), (13756, 28861), (16492, 24073), (17689, 22444), (17738, 22382)]