28124514

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:416

約数の個数: 72

約数和(自身を含む): 68987100

約数和(自身を除く): 40862586

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 121, 198, 222, 242, 333, 349, 363, 407, 666, 698, 726, 814, 1047, 1089, 1221, 2094, 2178, 2442, 3141, 3663, 3839, 4477, 6282, 7326, 7678, 8954, 11517, 12913, 13431, 23034, 25826, 26862, 34551, 38739, 40293, 42229, 69102, 77478, 80586, 84458, 116217, 126687, 142043, 232434, 253374, 284086, 380061, 426129, 760122, 852258, 1278387, 1562473, 2556774, 3124946, 4687419, 9374838, 14062257, 28124514]

約数ペア:

[(1, 28124514), (2, 14062257), (3, 9374838), (6, 4687419), (9, 3124946), (11, 2556774), (18, 1562473), (22, 1278387), (33, 852258), (37, 760122), (66, 426129), (74, 380061), (99, 284086), (111, 253374), (121, 232434), (198, 142043), (222, 126687), (242, 116217), (333, 84458), (349, 80586), (363, 77478), (407, 69102), (666, 42229), (698, 40293), (726, 38739), (814, 34551), (1047, 26862), (1089, 25826), (1221, 23034), (2094, 13431), (2178, 12913), (2442, 11517), (3141, 8954), (3663, 7678), (3839, 7326), (4477, 6282)]