398174994

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{563}}^1\times {\mathrm{1871}}^1$

素因数の和:2452

約数の個数: 64

約数和(自身を含む): 1013575680

約数和(自身を除く): 615400686

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 563, 1126, 1689, 1871, 3378, 3742, 3941, 5067, 5613, 7882, 10134, 11226, 11823, 13097, 15201, 16839, 23646, 26194, 30402, 33678, 35469, 39291, 50517, 70938, 78582, 101034, 106407, 117873, 212814, 235746, 353619, 707238, 1053373, 2106746, 3160119, 6320238, 7373611, 9480357, 14747222, 18960714, 22120833, 28441071, 44241666, 56882142, 66362499, 132724998, 199087497, 398174994]

約数ペア:

[(1, 398174994), (2, 199087497), (3, 132724998), (6, 66362499), (7, 56882142), (9, 44241666), (14, 28441071), (18, 22120833), (21, 18960714), (27, 14747222), (42, 9480357), (54, 7373611), (63, 6320238), (126, 3160119), (189, 2106746), (378, 1053373), (563, 707238), (1126, 353619), (1689, 235746), (1871, 212814), (3378, 117873), (3742, 106407), (3941, 101034), (5067, 78582), (5613, 70938), (7882, 50517), (10134, 39291), (11226, 35469), (11823, 33678), (13097, 30402), (15201, 26194), (16839, 23646)]