1288391390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{900973}}^1$

素因数の和:901004

約数の個数: 32

約数和(自身を含む): 2724545376

約数和(自身を除く): 1436153986

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 900973, 1801946, 4504865, 9009730, 9910703, 11712649, 19821406, 23425298, 49553515, 58563245, 99107030, 117126490, 128839139, 257678278, 644195695, 1288391390]

約数ペア:

[(1, 1288391390), (2, 644195695), (5, 257678278), (10, 128839139), (11, 117126490), (13, 99107030), (22, 58563245), (26, 49553515), (55, 23425298), (65, 19821406), (110, 11712649), (130, 9910703), (143, 9009730), (286, 4504865), (715, 1801946), (1430, 900973)]