7393890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 20507904

約数和(自身を除く): 13114014

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 137, 210, 257, 274, 411, 514, 685, 771, 822, 959, 1285, 1370, 1542, 1799, 1918, 2055, 2570, 2877, 3598, 3855, 4110, 4795, 5397, 5754, 7710, 8995, 9590, 10794, 14385, 17990, 26985, 28770, 35209, 53970, 70418, 105627, 176045, 211254, 246463, 352090, 492926, 528135, 739389, 1056270, 1232315, 1478778, 2464630, 3696945, 7393890]

約数ペア:

[(1, 7393890), (2, 3696945), (3, 2464630), (5, 1478778), (6, 1232315), (7, 1056270), (10, 739389), (14, 528135), (15, 492926), (21, 352090), (30, 246463), (35, 211254), (42, 176045), (70, 105627), (105, 70418), (137, 53970), (210, 35209), (257, 28770), (274, 26985), (411, 17990), (514, 14385), (685, 10794), (771, 9590), (822, 8995), (959, 7710), (1285, 5754), (1370, 5397), (1542, 4795), (1799, 4110), (1918, 3855), (2055, 3598), (2570, 2877)]