138721896

素因数分解:

$2^3\times 3^5\times {\mathrm{71359}}^1$

素因数の和:71380

約数の個数: 48

約数和(自身を含む): 389625600

約数和(自身を除く): 250903704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 71359, 142718, 214077, 285436, 428154, 570872, 642231, 856308, 1284462, 1712616, 1926693, 2568924, 3853386, 5137848, 5780079, 7706772, 11560158, 15413544, 17340237, 23120316, 34680474, 46240632, 69360948, 138721896]

約数ペア:

[(1, 138721896), (2, 69360948), (3, 46240632), (4, 34680474), (6, 23120316), (8, 17340237), (9, 15413544), (12, 11560158), (18, 7706772), (24, 5780079), (27, 5137848), (36, 3853386), (54, 2568924), (72, 1926693), (81, 1712616), (108, 1284462), (162, 856308), (216, 642231), (243, 570872), (324, 428154), (486, 285436), (648, 214077), (972, 142718), (1944, 71359)]