208064844

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1087}}^1$

素因数の和:1519

約数の個数: 72

約数和(自身を含む): 568305920

約数和(自身を除く): 360241076

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 409, 468, 818, 1087, 1227, 1636, 2174, 2454, 3261, 3681, 4348, 4908, 5317, 6522, 7362, 9783, 10634, 13044, 14131, 14724, 15951, 19566, 21268, 28262, 31902, 39132, 42393, 47853, 56524, 63804, 84786, 95706, 127179, 169572, 191412, 254358, 444583, 508716, 889166, 1333749, 1778332, 2667498, 4001247, 5334996, 5779579, 8002494, 11559158, 16004988, 17338737, 23118316, 34677474, 52016211, 69354948, 104032422, 208064844]

約数ペア:

[(1, 208064844), (2, 104032422), (3, 69354948), (4, 52016211), (6, 34677474), (9, 23118316), (12, 17338737), (13, 16004988), (18, 11559158), (26, 8002494), (36, 5779579), (39, 5334996), (52, 4001247), (78, 2667498), (117, 1778332), (156, 1333749), (234, 889166), (409, 508716), (468, 444583), (818, 254358), (1087, 191412), (1227, 169572), (1636, 127179), (2174, 95706), (2454, 84786), (3261, 63804), (3681, 56524), (4348, 47853), (4908, 42393), (5317, 39132), (6522, 31902), (7362, 28262), (9783, 21268), (10634, 19566), (13044, 15951), (14131, 14724)]