990408078

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1907}}^1$

素因数の和:2030

約数の個数: 96

約数和(自身を含む): 2435951232

約数和(自身を除く): 1445543154

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 61, 66, 86, 99, 122, 129, 183, 198, 258, 366, 387, 473, 549, 671, 774, 946, 1098, 1342, 1419, 1907, 2013, 2623, 2838, 3814, 4026, 4257, 5246, 5721, 6039, 7869, 8514, 11442, 12078, 15738, 17163, 20977, 23607, 28853, 34326, 41954, 47214, 57706, 62931, 82001, 86559, 116327, 125862, 164002, 173118, 188793, 232654, 246003, 259677, 348981, 377586, 492006, 519354, 697962, 738009, 902011, 1046943, 1279597, 1476018, 1804022, 2093886, 2559194, 2706033, 3838791, 5002061, 5412066, 7677582, 8118099, 10004122, 11516373, 15006183, 16236198, 23032746, 30012366, 45018549, 55022671, 90037098, 110045342, 165068013, 330136026, 495204039, 990408078]

約数ペア:

[(1, 990408078), (2, 495204039), (3, 330136026), (6, 165068013), (9, 110045342), (11, 90037098), (18, 55022671), (22, 45018549), (33, 30012366), (43, 23032746), (61, 16236198), (66, 15006183), (86, 11516373), (99, 10004122), (122, 8118099), (129, 7677582), (183, 5412066), (198, 5002061), (258, 3838791), (366, 2706033), (387, 2559194), (473, 2093886), (549, 1804022), (671, 1476018), (774, 1279597), (946, 1046943), (1098, 902011), (1342, 738009), (1419, 697962), (1907, 519354), (2013, 492006), (2623, 377586), (2838, 348981), (3814, 259677), (4026, 246003), (4257, 232654), (5246, 188793), (5721, 173118), (6039, 164002), (7869, 125862), (8514, 116327), (11442, 86559), (12078, 82001), (15738, 62931), (17163, 57706), (20977, 47214), (23607, 41954), (28853, 34326)]