258506768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:952

約数の個数: 80

約数和(自身を含む): 569296896

約数和(自身を除く): 310790128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 47, 52, 62, 94, 104, 124, 188, 208, 248, 376, 403, 496, 611, 752, 806, 853, 1222, 1457, 1612, 1706, 2444, 2914, 3224, 3412, 4888, 5828, 6448, 6824, 9776, 11089, 11656, 13648, 18941, 22178, 23312, 26443, 37882, 40091, 44356, 52886, 75764, 80182, 88712, 105772, 151528, 160364, 177424, 211544, 303056, 320728, 343759, 423088, 521183, 641456, 687518, 1042366, 1242821, 1375036, 2084732, 2485642, 2750072, 4169464, 4971284, 5500144, 8338928, 9942568, 16156673, 19885136, 32313346, 64626692, 129253384, 258506768]

約数ペア:

[(1, 258506768), (2, 129253384), (4, 64626692), (8, 32313346), (13, 19885136), (16, 16156673), (26, 9942568), (31, 8338928), (47, 5500144), (52, 4971284), (62, 4169464), (94, 2750072), (104, 2485642), (124, 2084732), (188, 1375036), (208, 1242821), (248, 1042366), (376, 687518), (403, 641456), (496, 521183), (611, 423088), (752, 343759), (806, 320728), (853, 303056), (1222, 211544), (1457, 177424), (1612, 160364), (1706, 151528), (2444, 105772), (2914, 88712), (3224, 80182), (3412, 75764), (4888, 52886), (5828, 44356), (6448, 40091), (6824, 37882), (9776, 26443), (11089, 23312), (11656, 22178), (13648, 18941)]