2011979893

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{811}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 2643742080

約数和(自身を除く): 631762187

約数列:

[1, 7, 11, 29, 77, 101, 121, 203, 319, 707, 811, 847, 1111, 2233, 2929, 3509, 5677, 7777, 8921, 12221, 20503, 23519, 24563, 32219, 62447, 81911, 85547, 98131, 164633, 225533, 258709, 354409, 573377, 686917, 901021, 1810963, 2375419, 2480863, 2845799, 6307147, 9911231, 16627933, 19920593, 26129609, 69378617, 182907263, 287425699, 2011979893]

約数ペア:

[(1, 2011979893), (7, 287425699), (11, 182907263), (29, 69378617), (77, 26129609), (101, 19920593), (121, 16627933), (203, 9911231), (319, 6307147), (707, 2845799), (811, 2480863), (847, 2375419), (1111, 1810963), (2233, 901021), (2929, 686917), (3509, 573377), (5677, 354409), (7777, 258709), (8921, 225533), (12221, 164633), (20503, 98131), (23519, 85547), (24563, 81911), (32219, 62447)]