28626756.000000000

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1597}}^1$

素因数の和:2003

約数の個数: 72

約数和(自身を含む): 453704160

約数和(自身を除く): 297153444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 389, 778, 1167, 1556, 1597, 2334, 2723, 3194, 3501, 4668, 4791, 5446, 6388, 7002, 8169, 9582, 10892, 11179, 14004, 14373, 16338, 19164, 22358, 24507, 28746, 32676, 33537, 44716, 49014, 57492, 67074, 98028, 100611, 134148, 201222, 402444, 621233, 1242466, 1863699, 2484932, 3727398, 4348631, 5591097, 7454796, 8697262, 11182194, 13045893, 17394524, 22364388, 26091786, 39137679, 52183572, 78275358, 156550716]

約数ペア:

[(1, 156550716), (2, 78275358), (3, 52183572), (4, 39137679), (6, 26091786), (7, 22364388), (9, 17394524), (12, 13045893), (14, 11182194), (18, 8697262), (21, 7454796), (28, 5591097), (36, 4348631), (42, 3727398), (63, 2484932), (84, 1863699), (126, 1242466), (252, 621233), (389, 402444), (778, 201222), (1167, 134148), (1556, 100611), (1597, 98028), (2334, 67074), (2723, 57492), (3194, 49014), (3501, 44716), (4668, 33537), (4791, 32676), (5446, 28746), (6388, 24507), (7002, 22358), (8169, 19164), (9582, 16338), (10892, 14373), (11179, 14004)]