248505218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 452874240

約数和(自身を除く): 204369022

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 127, 221, 233, 247, 254, 323, 442, 466, 494, 646, 1651, 2159, 2413, 3029, 3302, 3961, 4199, 4318, 4427, 4826, 6058, 7922, 8398, 8854, 28067, 29591, 31369, 41021, 51493, 56134, 57551, 59182, 62738, 75259, 82042, 102986, 115102, 150518, 384683, 503047, 533273, 562229, 769366, 978367, 1006094, 1066546, 1124458, 1956734, 6539611, 7308977, 9557893, 13079222, 14617954, 19115786, 124252609, 248505218]

約数ペア:

[(1, 248505218), (2, 124252609), (13, 19115786), (17, 14617954), (19, 13079222), (26, 9557893), (34, 7308977), (38, 6539611), (127, 1956734), (221, 1124458), (233, 1066546), (247, 1006094), (254, 978367), (323, 769366), (442, 562229), (466, 533273), (494, 503047), (646, 384683), (1651, 150518), (2159, 115102), (2413, 102986), (3029, 82042), (3302, 75259), (3961, 62738), (4199, 59182), (4318, 57551), (4427, 56134), (4826, 51493), (6058, 41021), (7922, 31369), (8398, 29591), (8854, 28067)]