287981946

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 756725760

約数和(自身を除く): 468743814

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 67, 83, 126, 134, 137, 166, 189, 201, 249, 274, 378, 402, 411, 469, 498, 581, 603, 747, 822, 938, 959, 1162, 1206, 1233, 1407, 1494, 1743, 1809, 1918, 2241, 2466, 2814, 2877, 3486, 3618, 3699, 4221, 4482, 5229, 5561, 5754, 7398, 8442, 8631, 9179, 10458, 11122, 11371, 12663, 15687, 16683, 17262, 18358, 22742, 25326, 25893, 27537, 31374, 33366, 34113, 38927, 50049, 51786, 55074, 64253, 68226, 77854, 79597, 82611, 100098, 102339, 116781, 128506, 150147, 159194, 165222, 192759, 204678, 233562, 238791, 247833, 300294, 307017, 350343, 385518, 477582, 495666, 578277, 614034, 700686, 716373, 761857, 1051029, 1156554, 1432746, 1523714, 1734831, 2102058, 2149119, 2285571, 3469662, 4298238, 4571142, 5332999, 6856713, 10665998, 13713426, 15998997, 20570139, 31997994, 41140278, 47996991, 95993982, 143990973, 287981946]

約数ペア:

[(1, 287981946), (2, 143990973), (3, 95993982), (6, 47996991), (7, 41140278), (9, 31997994), (14, 20570139), (18, 15998997), (21, 13713426), (27, 10665998), (42, 6856713), (54, 5332999), (63, 4571142), (67, 4298238), (83, 3469662), (126, 2285571), (134, 2149119), (137, 2102058), (166, 1734831), (189, 1523714), (201, 1432746), (249, 1156554), (274, 1051029), (378, 761857), (402, 716373), (411, 700686), (469, 614034), (498, 578277), (581, 495666), (603, 477582), (747, 385518), (822, 350343), (938, 307017), (959, 300294), (1162, 247833), (1206, 238791), (1233, 233562), (1407, 204678), (1494, 192759), (1743, 165222), (1809, 159194), (1918, 150147), (2241, 128506), (2466, 116781), (2814, 102339), (2877, 100098), (3486, 82611), (3618, 79597), (3699, 77854), (4221, 68226), (4482, 64253), (5229, 55074), (5561, 51786), (5754, 50049), (7398, 38927), (8442, 34113), (8631, 33366), (9179, 31374), (10458, 27537), (11122, 25893), (11371, 25326), (12663, 22742), (15687, 18358), (16683, 17262)]