217881146

素因数分解:

$2^1\times 7^4\times {\mathrm{17}}^2\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 60

約数和(自身を含む): 407595918

約数和(自身を除く): 189714772

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 157, 238, 289, 314, 343, 578, 686, 833, 1099, 1666, 2023, 2198, 2401, 2669, 4046, 4802, 5338, 5831, 7693, 11662, 14161, 15386, 18683, 28322, 37366, 40817, 45373, 53851, 81634, 90746, 99127, 107702, 130781, 198254, 261562, 317611, 376957, 635222, 693889, 753914, 915467, 1387778, 1830934, 2223277, 4446554, 6408269, 12816538, 15562939, 31125878, 108940573, 217881146]

約数ペア:

[(1, 217881146), (2, 108940573), (7, 31125878), (14, 15562939), (17, 12816538), (34, 6408269), (49, 4446554), (98, 2223277), (119, 1830934), (157, 1387778), (238, 915467), (289, 753914), (314, 693889), (343, 635222), (578, 376957), (686, 317611), (833, 261562), (1099, 198254), (1666, 130781), (2023, 107702), (2198, 99127), (2401, 90746), (2669, 81634), (4046, 53851), (4802, 45373), (5338, 40817), (5831, 37366), (7693, 28322), (11662, 18683), (14161, 15386)]