978455728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{4969}}^1$

素因数の和:5405

約数の個数: 40

約数和(自身を含む): 1962235520

約数和(自身を除く): 983779792

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 397, 496, 794, 1588, 3176, 4969, 6352, 9938, 12307, 19876, 24614, 39752, 49228, 79504, 98456, 154039, 196912, 308078, 616156, 1232312, 1972693, 2464624, 3945386, 7890772, 15781544, 31563088, 61153483, 122306966, 244613932, 489227864, 978455728]

約数ペア:

[(1, 978455728), (2, 489227864), (4, 244613932), (8, 122306966), (16, 61153483), (31, 31563088), (62, 15781544), (124, 7890772), (248, 3945386), (397, 2464624), (496, 1972693), (794, 1232312), (1588, 616156), (3176, 308078), (4969, 196912), (6352, 154039), (9938, 98456), (12307, 79504), (19876, 49228), (24614, 39752)]