840256

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:722

約数の個数: 28

約数和(自身を含む): 1757680

約数和(自身を除く): 917424

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 691, 1216, 1382, 2764, 5528, 11056, 13129, 22112, 26258, 44224, 52516, 105032, 210064, 420128, 840256]

約数ペア:

[(1, 840256), (2, 420128), (4, 210064), (8, 105032), (16, 52516), (19, 44224), (32, 26258), (38, 22112), (64, 13129), (76, 11056), (152, 5528), (304, 2764), (608, 1382), (691, 1216)]