978018925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{773}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 1390692240

約数和(自身を除く): 412673315

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 229, 325, 425, 773, 1105, 1145, 2977, 3865, 3893, 5525, 5725, 10049, 13141, 14885, 19325, 19465, 50245, 50609, 65705, 74425, 97325, 170833, 177017, 251225, 253045, 328525, 854165, 885085, 1265225, 2301221, 3009289, 4270825, 4425425, 11506105, 15046445, 39120757, 57530525, 75232225, 195603785, 978018925]

約数ペア:

[(1, 978018925), (5, 195603785), (13, 75232225), (17, 57530525), (25, 39120757), (65, 15046445), (85, 11506105), (221, 4425425), (229, 4270825), (325, 3009289), (425, 2301221), (773, 1265225), (1105, 885085), (1145, 854165), (2977, 328525), (3865, 253045), (3893, 251225), (5525, 177017), (5725, 170833), (10049, 97325), (13141, 74425), (14885, 65705), (19325, 50609), (19465, 50245)]