39428389

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 57226176

約数和(自身を除く): 17797787

約数列:

[1, 7, 11, 13, 17, 49, 77, 91, 119, 143, 187, 221, 331, 539, 637, 833, 1001, 1309, 1547, 2317, 2431, 3641, 4303, 5627, 7007, 9163, 10829, 16219, 17017, 25487, 30121, 39389, 47333, 61897, 73151, 119119, 178409, 210847, 275723, 331331, 433279, 512057, 804661, 2319317, 3032953, 3584399, 5632627, 39428389]

約数ペア:

[(1, 39428389), (7, 5632627), (11, 3584399), (13, 3032953), (17, 2319317), (49, 804661), (77, 512057), (91, 433279), (119, 331331), (143, 275723), (187, 210847), (221, 178409), (331, 119119), (539, 73151), (637, 61897), (833, 47333), (1001, 39389), (1309, 30121), (1547, 25487), (2317, 17017), (2431, 16219), (3641, 10829), (4303, 9163), (5627, 7007)]