1997647575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{9349}}^1$

素因数の和:9417

約数の個数: 96

約数和(自身を含む): 4229491200

約数和(自身を除く): 2231843625

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 37, 55, 75, 77, 105, 111, 165, 175, 185, 231, 259, 275, 385, 407, 525, 555, 777, 825, 925, 1155, 1221, 1295, 1925, 2035, 2775, 2849, 3885, 5775, 6105, 6475, 8547, 9349, 10175, 14245, 19425, 28047, 30525, 42735, 46745, 65443, 71225, 102839, 140235, 196329, 213675, 233725, 308517, 327215, 345913, 514195, 701175, 719873, 981645, 1037739, 1542585, 1636075, 1729565, 2159619, 2421391, 2570975, 3599365, 3805043, 4908225, 5188695, 7264173, 7712925, 8647825, 10798095, 11415129, 12106955, 17996825, 19025215, 25943475, 26635301, 36320865, 53990475, 57075645, 60534775, 79905903, 95126075, 133176505, 181604325, 285378225, 399529515, 665882525, 1997647575]

約数ペア:

[(1, 1997647575), (3, 665882525), (5, 399529515), (7, 285378225), (11, 181604325), (15, 133176505), (21, 95126075), (25, 79905903), (33, 60534775), (35, 57075645), (37, 53990475), (55, 36320865), (75, 26635301), (77, 25943475), (105, 19025215), (111, 17996825), (165, 12106955), (175, 11415129), (185, 10798095), (231, 8647825), (259, 7712925), (275, 7264173), (385, 5188695), (407, 4908225), (525, 3805043), (555, 3599365), (777, 2570975), (825, 2421391), (925, 2159619), (1155, 1729565), (1221, 1636075), (1295, 1542585), (1925, 1037739), (2035, 981645), (2775, 719873), (2849, 701175), (3885, 514195), (5775, 345913), (6105, 327215), (6475, 308517), (8547, 233725), (9349, 213675), (10175, 196329), (14245, 140235), (19425, 102839), (28047, 71225), (30525, 65443), (42735, 46745)]