389929932

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{81439}}^1$

素因数の和:81475

約数の個数: 72

約数和(自身を含む): 1185766400

約数和(自身を除く): 795836468

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 81439, 162878, 244317, 325756, 488634, 570073, 732951, 977268, 1140146, 1465902, 1547341, 1710219, 2280292, 2931804, 3094682, 3420438, 4642023, 5130657, 6189364, 6840876, 9284046, 10261314, 10831387, 13926069, 18568092, 20522628, 21662774, 27852138, 32494161, 43325548, 55704276, 64988322, 97482483, 129976644, 194964966, 389929932]

約数ペア:

[(1, 389929932), (2, 194964966), (3, 129976644), (4, 97482483), (6, 64988322), (7, 55704276), (9, 43325548), (12, 32494161), (14, 27852138), (18, 21662774), (19, 20522628), (21, 18568092), (28, 13926069), (36, 10831387), (38, 10261314), (42, 9284046), (57, 6840876), (63, 6189364), (76, 5130657), (84, 4642023), (114, 3420438), (126, 3094682), (133, 2931804), (171, 2280292), (228, 1710219), (252, 1547341), (266, 1465902), (342, 1140146), (399, 977268), (532, 732951), (684, 570073), (798, 488634), (1197, 325756), (1596, 244317), (2394, 162878), (4788, 81439)]