77778290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{4003}}^1$

素因数の和:4106

約数の個数: 32

約数和(自身を含む): 147026880

約数和(自身を除く): 69248590

約数列:

[1, 2, 5, 10, 29, 58, 67, 134, 145, 290, 335, 670, 1943, 3886, 4003, 8006, 9715, 19430, 20015, 40030, 116087, 232174, 268201, 536402, 580435, 1160870, 1341005, 2682010, 7777829, 15555658, 38889145, 77778290]

約数ペア:

[(1, 77778290), (2, 38889145), (5, 15555658), (10, 7777829), (29, 2682010), (58, 1341005), (67, 1160870), (134, 580435), (145, 536402), (290, 268201), (335, 232174), (670, 116087), (1943, 40030), (3886, 20015), (4003, 19430), (8006, 9715)]