550891390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{253867}}^1$

素因数の和:253912

約数の個数: 32

約数和(自身を含む): 1169823744

約数和(自身を除く): 618932354

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 253867, 507734, 1269335, 1777069, 2538670, 3554138, 7869877, 8885345, 15739754, 17770690, 39349385, 55089139, 78698770, 110178278, 275445695, 550891390]

約数ペア:

[(1, 550891390), (2, 275445695), (5, 110178278), (7, 78698770), (10, 55089139), (14, 39349385), (31, 17770690), (35, 15739754), (62, 8885345), (70, 7869877), (155, 3554138), (217, 2538670), (310, 1777069), (434, 1269335), (1085, 507734), (2170, 253867)]