388357207

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 482227200

約数和(自身を除く): 93869993

約数列:

[1, 7, 19, 41, 133, 229, 287, 311, 779, 1603, 2177, 4351, 5453, 5909, 9389, 12751, 30457, 41363, 65723, 71219, 89257, 178391, 242269, 498533, 1248737, 1353161, 1695883, 2919979, 9472127, 20439853, 55479601, 388357207]

約数ペア:

[(1, 388357207), (7, 55479601), (19, 20439853), (41, 9472127), (133, 2919979), (229, 1695883), (287, 1353161), (311, 1248737), (779, 498533), (1603, 242269), (2177, 178391), (4351, 89257), (5453, 71219), (5909, 65723), (9389, 41363), (12751, 30457)]