991256830

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1\times {\mathrm{5417}}^1$

素因数の和:6084

約数の個数: 32

約数和(自身を含む): 1849055040

約数和(自身を除く): 857798210

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 631, 1262, 3155, 5417, 6310, 10834, 18299, 27085, 36598, 54170, 91495, 157093, 182990, 314186, 785465, 1570930, 3418127, 6836254, 17090635, 34181270, 99125683, 198251366, 495628415, 991256830]

約数ペア:

[(1, 991256830), (2, 495628415), (5, 198251366), (10, 99125683), (29, 34181270), (58, 17090635), (145, 6836254), (290, 3418127), (631, 1570930), (1262, 785465), (3155, 314186), (5417, 182990), (6310, 157093), (10834, 91495), (18299, 54170), (27085, 36598)]