217876148

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2843}}^1$

素因数の和:2901

約数の個数: 72

約数和(自身を含む): 490214592

約数和(自身を除く): 272338444

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 49, 68, 92, 98, 119, 161, 196, 238, 322, 391, 476, 644, 782, 833, 1127, 1564, 1666, 2254, 2737, 2843, 3332, 4508, 5474, 5686, 10948, 11372, 19159, 19901, 38318, 39802, 48331, 65389, 76636, 79604, 96662, 130778, 139307, 193324, 261556, 278614, 338317, 457723, 557228, 676634, 915446, 1111613, 1353268, 1830892, 2223226, 2368219, 3204061, 4446452, 4736438, 6408122, 7781291, 9472876, 12816244, 15562582, 31125164, 54469037, 108938074, 217876148]

約数ペア:

[(1, 217876148), (2, 108938074), (4, 54469037), (7, 31125164), (14, 15562582), (17, 12816244), (23, 9472876), (28, 7781291), (34, 6408122), (46, 4736438), (49, 4446452), (68, 3204061), (92, 2368219), (98, 2223226), (119, 1830892), (161, 1353268), (196, 1111613), (238, 915446), (322, 676634), (391, 557228), (476, 457723), (644, 338317), (782, 278614), (833, 261556), (1127, 193324), (1564, 139307), (1666, 130778), (2254, 96662), (2737, 79604), (2843, 76636), (3332, 65389), (4508, 48331), (5474, 39802), (5686, 38318), (10948, 19901), (11372, 19159)]