201617968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 427115520

約数和(自身を除く): 225497552

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 103, 137, 152, 188, 206, 274, 304, 376, 412, 548, 752, 824, 893, 1096, 1648, 1786, 1957, 2192, 2603, 3572, 3914, 4841, 5206, 6439, 7144, 7828, 9682, 10412, 12878, 14111, 14288, 15656, 19364, 20824, 25756, 28222, 31312, 38728, 41648, 51512, 56444, 77456, 91979, 103024, 112888, 122341, 183958, 225776, 244682, 268109, 367916, 489364, 536218, 663217, 735832, 978728, 1072436, 1326434, 1471664, 1957456, 2144872, 2652868, 4289744, 5305736, 10611472, 12601123, 25202246, 50404492, 100808984, 201617968]

約数ペア:

[(1, 201617968), (2, 100808984), (4, 50404492), (8, 25202246), (16, 12601123), (19, 10611472), (38, 5305736), (47, 4289744), (76, 2652868), (94, 2144872), (103, 1957456), (137, 1471664), (152, 1326434), (188, 1072436), (206, 978728), (274, 735832), (304, 663217), (376, 536218), (412, 489364), (548, 367916), (752, 268109), (824, 244682), (893, 225776), (1096, 183958), (1648, 122341), (1786, 112888), (1957, 103024), (2192, 91979), (2603, 77456), (3572, 56444), (3914, 51512), (4841, 41648), (5206, 38728), (6439, 31312), (7144, 28222), (7828, 25756), (9682, 20824), (10412, 19364), (12878, 15656), (14111, 14288)]