217478712

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 630374400

約数和(自身を除く): 412895688

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 38, 44, 57, 66, 76, 88, 114, 132, 152, 191, 209, 227, 228, 264, 382, 418, 454, 456, 573, 627, 681, 764, 836, 908, 1146, 1254, 1362, 1528, 1672, 1816, 2101, 2292, 2497, 2508, 2724, 3629, 4202, 4313, 4584, 4994, 5016, 5448, 6303, 7258, 7491, 8404, 8626, 9988, 10887, 12606, 12939, 14516, 14982, 16808, 17252, 19976, 21774, 25212, 25878, 29032, 29964, 34504, 39919, 43357, 43548, 47443, 50424, 51756, 59928, 79838, 86714, 87096, 94886, 103512, 119757, 130071, 142329, 159676, 173428, 189772, 239514, 260142, 284658, 319352, 346856, 379544, 476927, 479028, 520284, 569316, 823783, 953854, 958056, 1040568, 1138632, 1430781, 1647566, 1907708, 2471349, 2861562, 3295132, 3815416, 4942698, 5723124, 6590264, 9061613, 9885396, 11446248, 18123226, 19770792, 27184839, 36246452, 54369678, 72492904, 108739356, 217478712]

約数ペア:

[(1, 217478712), (2, 108739356), (3, 72492904), (4, 54369678), (6, 36246452), (8, 27184839), (11, 19770792), (12, 18123226), (19, 11446248), (22, 9885396), (24, 9061613), (33, 6590264), (38, 5723124), (44, 4942698), (57, 3815416), (66, 3295132), (76, 2861562), (88, 2471349), (114, 1907708), (132, 1647566), (152, 1430781), (191, 1138632), (209, 1040568), (227, 958056), (228, 953854), (264, 823783), (382, 569316), (418, 520284), (454, 479028), (456, 476927), (573, 379544), (627, 346856), (681, 319352), (764, 284658), (836, 260142), (908, 239514), (1146, 189772), (1254, 173428), (1362, 159676), (1528, 142329), (1672, 130071), (1816, 119757), (2101, 103512), (2292, 94886), (2497, 87096), (2508, 86714), (2724, 79838), (3629, 59928), (4202, 51756), (4313, 50424), (4584, 47443), (4994, 43548), (5016, 43357), (5448, 39919), (6303, 34504), (7258, 29964), (7491, 29032), (8404, 25878), (8626, 25212), (9988, 21774), (10887, 19976), (12606, 17252), (12939, 16808), (14516, 14982)]