72580123

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^2$

素因数の和:220

約数の個数: 36

約数和(自身を含む): 98631432

約数和(自身を除く): 26051309

約数列:

[1, 7, 11, 17, 49, 77, 89, 119, 187, 539, 623, 833, 979, 1309, 1513, 4361, 6853, 7921, 9163, 10591, 16643, 47971, 55447, 74137, 87131, 116501, 134657, 388129, 609917, 815507, 942599, 1481227, 4269419, 6598193, 10368589, 72580123]

約数ペア:

[(1, 72580123), (7, 10368589), (11, 6598193), (17, 4269419), (49, 1481227), (77, 942599), (89, 815507), (119, 609917), (187, 388129), (539, 134657), (623, 116501), (833, 87131), (979, 74137), (1309, 55447), (1513, 47971), (4361, 16643), (6853, 10591), (7921, 9163)]