989792258

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2056

約数の個数: 96

約数和(自身を含む): 2056005504

約数和(自身を除く): 1066213246

約数列:

[1, 2, 7, 13, 14, 17, 23, 26, 34, 46, 49, 91, 98, 119, 161, 182, 221, 238, 299, 322, 391, 442, 598, 637, 782, 833, 1127, 1274, 1547, 1666, 1987, 2093, 2254, 2737, 3094, 3974, 4186, 5083, 5474, 10166, 10829, 13909, 14651, 19159, 21658, 25831, 27818, 29302, 33779, 35581, 38318, 45701, 51662, 67558, 71162, 91402, 97363, 180817, 194726, 236453, 249067, 319907, 361634, 439127, 472906, 498134, 594113, 639814, 776917, 878254, 1188226, 1265719, 1553834, 1655171, 2239349, 2531438, 3073889, 3310342, 4158791, 4478698, 5438419, 6147778, 8317582, 10099921, 10876838, 20199842, 21517223, 29111537, 38068933, 43034446, 58223074, 70699447, 76137866, 141398894, 494896129, 989792258]

約数ペア:

[(1, 989792258), (2, 494896129), (7, 141398894), (13, 76137866), (14, 70699447), (17, 58223074), (23, 43034446), (26, 38068933), (34, 29111537), (46, 21517223), (49, 20199842), (91, 10876838), (98, 10099921), (119, 8317582), (161, 6147778), (182, 5438419), (221, 4478698), (238, 4158791), (299, 3310342), (322, 3073889), (391, 2531438), (442, 2239349), (598, 1655171), (637, 1553834), (782, 1265719), (833, 1188226), (1127, 878254), (1274, 776917), (1547, 639814), (1666, 594113), (1987, 498134), (2093, 472906), (2254, 439127), (2737, 361634), (3094, 319907), (3974, 249067), (4186, 236453), (5083, 194726), (5474, 180817), (10166, 97363), (10829, 91402), (13909, 71162), (14651, 67558), (19159, 51662), (21658, 45701), (25831, 38318), (27818, 35581), (29302, 33779)]