905651728

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{313}}^1\times {\mathrm{937}}^1$

素因数の和:1451

約数の個数: 40

約数和(自身を含む): 1771315448

約数和(自身を除く): 865663720

約数列:

[1, 2, 4, 8, 16, 193, 313, 386, 626, 772, 937, 1252, 1544, 1874, 2504, 3088, 3748, 5008, 7496, 14992, 60409, 120818, 180841, 241636, 293281, 361682, 483272, 586562, 723364, 966544, 1173124, 1446728, 2346248, 2893456, 4692496, 56603233, 113206466, 226412932, 452825864, 905651728]

約数ペア:

[(1, 905651728), (2, 452825864), (4, 226412932), (8, 113206466), (16, 56603233), (193, 4692496), (313, 2893456), (386, 2346248), (626, 1446728), (772, 1173124), (937, 966544), (1252, 723364), (1544, 586562), (1874, 483272), (2504, 361682), (3088, 293281), (3748, 241636), (5008, 180841), (7496, 120818), (14992, 60409)]