1285378172

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:883

約数の個数: 72

約数和(自身を含む): 2548062720

約数和(自身を除く): 1262684548

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 83, 124, 166, 169, 332, 338, 403, 676, 739, 806, 1079, 1478, 1612, 2158, 2573, 2956, 4316, 5146, 5239, 9607, 10292, 10478, 14027, 19214, 20956, 22909, 28054, 33449, 38428, 45818, 56108, 61337, 66898, 91636, 122674, 124891, 133796, 245348, 249782, 297817, 434837, 499564, 595634, 797381, 869674, 1191268, 1594762, 1739348, 1901447, 3189524, 3802894, 3871621, 7605788, 7743242, 10365953, 15486484, 20731906, 24718811, 41463812, 49437622, 98875244, 321344543, 642689086, 1285378172]

約数ペア:

[(1, 1285378172), (2, 642689086), (4, 321344543), (13, 98875244), (26, 49437622), (31, 41463812), (52, 24718811), (62, 20731906), (83, 15486484), (124, 10365953), (166, 7743242), (169, 7605788), (332, 3871621), (338, 3802894), (403, 3189524), (676, 1901447), (739, 1739348), (806, 1594762), (1079, 1191268), (1478, 869674), (1612, 797381), (2158, 595634), (2573, 499564), (2956, 434837), (4316, 297817), (5146, 249782), (5239, 245348), (9607, 133796), (10292, 124891), (10478, 122674), (14027, 91636), (19214, 66898), (20956, 61337), (22909, 56108), (28054, 45818), (33449, 38428)]