139505990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1553}}^1$

素因数の和:2264

約数の個数: 32

約数和(自身を含む): 270992736

約数和(自身を除く): 131486746

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 691, 1382, 1553, 3106, 3455, 6910, 7765, 8983, 15530, 17966, 20189, 40378, 44915, 89830, 100945, 201890, 1073123, 2146246, 5365615, 10731230, 13950599, 27901198, 69752995, 139505990]

約数ペア:

[(1, 139505990), (2, 69752995), (5, 27901198), (10, 13950599), (13, 10731230), (26, 5365615), (65, 2146246), (130, 1073123), (691, 201890), (1382, 100945), (1553, 89830), (3106, 44915), (3455, 40378), (6910, 20189), (7765, 17966), (8983, 15530)]