83871404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 161935200

約数和(自身を除く): 78063796

約数列:

[1, 2, 4, 17, 34, 41, 67, 68, 82, 134, 164, 268, 449, 697, 898, 1139, 1394, 1796, 2278, 2747, 2788, 4556, 5494, 7633, 10988, 15266, 18409, 30083, 30532, 36818, 46699, 60166, 73636, 93398, 120332, 186796, 312953, 511411, 625906, 1022822, 1233403, 1251812, 2045644, 2466806, 4933612, 20967851, 41935702, 83871404]

約数ペア:

[(1, 83871404), (2, 41935702), (4, 20967851), (17, 4933612), (34, 2466806), (41, 2045644), (67, 1251812), (68, 1233403), (82, 1022822), (134, 625906), (164, 511411), (268, 312953), (449, 186796), (697, 120332), (898, 93398), (1139, 73636), (1394, 60166), (1796, 46699), (2278, 36818), (2747, 30532), (2788, 30083), (4556, 18409), (5494, 15266), (7633, 10988)]