78821918

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5591}}^1$

素因数の和:5672

約数の個数: 32

約数和(自身を含む): 144944640

約数和(自身を除く): 66122722

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 2014, 5591, 7049, 11182, 14098, 39137, 78274, 106229, 212458, 296323, 592646, 743603, 1487206, 2074261, 4148522, 5630137, 11260274, 39410959, 78821918]

約数ペア:

[(1, 78821918), (2, 39410959), (7, 11260274), (14, 5630137), (19, 4148522), (38, 2074261), (53, 1487206), (106, 743603), (133, 592646), (266, 296323), (371, 212458), (742, 106229), (1007, 78274), (2014, 39137), (5591, 14098), (7049, 11182)]