125778191

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 176947200

約数和(自身を除く): 51169009

約数列:

[1, 7, 11, 23, 29, 31, 77, 79, 161, 203, 217, 253, 319, 341, 553, 667, 713, 869, 899, 1771, 1817, 2233, 2291, 2387, 2449, 4669, 4991, 6083, 6293, 7337, 7843, 9889, 12719, 16037, 17143, 19987, 20677, 25201, 26939, 51359, 52693, 54901, 56327, 69223, 71021, 139909, 144739, 176407, 188573, 227447, 368851, 394289, 497147, 579623, 619597, 781231, 1592129, 1633483, 4057361, 4337179, 5468617, 11434381, 17968313, 125778191]

約数ペア:

[(1, 125778191), (7, 17968313), (11, 11434381), (23, 5468617), (29, 4337179), (31, 4057361), (77, 1633483), (79, 1592129), (161, 781231), (203, 619597), (217, 579623), (253, 497147), (319, 394289), (341, 368851), (553, 227447), (667, 188573), (713, 176407), (869, 144739), (899, 139909), (1771, 71021), (1817, 69223), (2233, 56327), (2291, 54901), (2387, 52693), (2449, 51359), (4669, 26939), (4991, 25201), (6083, 20677), (6293, 19987), (7337, 17143), (7843, 16037), (9889, 12719)]