1520943977

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 1989120000

約数和(自身を除く): 468176023

約数列:

[1, 7, 19, 23, 49, 73, 133, 139, 161, 343, 437, 511, 931, 973, 1127, 1387, 1679, 2641, 3059, 3197, 3577, 6517, 6811, 7889, 9709, 10147, 11753, 18487, 21413, 22379, 25039, 31901, 47677, 60743, 67963, 71029, 82271, 129409, 149891, 156653, 192793, 223307, 233381, 425201, 475741, 497203, 575897, 905863, 1096571, 1349551, 1563149, 1633667, 2976407, 3480421, 4434239, 9446857, 10942043, 11435669, 20834849, 31039673, 66127999, 80049683, 217277711, 1520943977]

約数ペア:

[(1, 1520943977), (7, 217277711), (19, 80049683), (23, 66127999), (49, 31039673), (73, 20834849), (133, 11435669), (139, 10942043), (161, 9446857), (343, 4434239), (437, 3480421), (511, 2976407), (931, 1633667), (973, 1563149), (1127, 1349551), (1387, 1096571), (1679, 905863), (2641, 575897), (3059, 497203), (3197, 475741), (3577, 425201), (6517, 233381), (6811, 223307), (7889, 192793), (9709, 156653), (10147, 149891), (11753, 129409), (18487, 82271), (21413, 71029), (22379, 67963), (25039, 60743), (31901, 47677)]