398374672

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{5099}}^1$

素因数の和:5383

約数の個数: 40

約数和(自身を含む): 815796000

約数和(自身を除く): 417421328

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 257, 304, 514, 1028, 2056, 4112, 4883, 5099, 9766, 10198, 19532, 20396, 39064, 40792, 78128, 81584, 96881, 193762, 387524, 775048, 1310443, 1550096, 2620886, 5241772, 10483544, 20967088, 24898417, 49796834, 99593668, 199187336, 398374672]

約数ペア:

[(1, 398374672), (2, 199187336), (4, 99593668), (8, 49796834), (16, 24898417), (19, 20967088), (38, 10483544), (76, 5241772), (152, 2620886), (257, 1550096), (304, 1310443), (514, 775048), (1028, 387524), (2056, 193762), (4112, 96881), (4883, 81584), (5099, 78128), (9766, 40792), (10198, 39064), (19532, 20396)]