81007088

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:609

約数の個数: 40

約数和(自身を含む): 160146000

約数和(自身を除く): 79138912

約数列:

[1, 2, 4, 8, 16, 89, 163, 178, 326, 349, 356, 652, 698, 712, 1304, 1396, 1424, 2608, 2792, 5584, 14507, 29014, 31061, 56887, 58028, 62122, 113774, 116056, 124244, 227548, 232112, 248488, 455096, 496976, 910192, 5062943, 10125886, 20251772, 40503544, 81007088]

約数ペア:

[(1, 81007088), (2, 40503544), (4, 20251772), (8, 10125886), (16, 5062943), (89, 910192), (163, 496976), (178, 455096), (326, 248488), (349, 232112), (356, 227548), (652, 124244), (698, 116056), (712, 113774), (1304, 62122), (1396, 58028), (1424, 56887), (2608, 31061), (2792, 29014), (5584, 14507)]