189863828

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1061}}^1$

素因数の和:1173

約数の個数: 72

約数和(自身を含む): 427127904

約数和(自身を除く): 237264076

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 83, 98, 154, 166, 196, 308, 332, 539, 581, 913, 1061, 1078, 1162, 1826, 2122, 2156, 2324, 3652, 4067, 4244, 6391, 7427, 8134, 11671, 12782, 14854, 16268, 23342, 25564, 29708, 44737, 46684, 51989, 81697, 88063, 89474, 103978, 163394, 176126, 178948, 207956, 326788, 352252, 571879, 616441, 968693, 1143758, 1232882, 1937386, 2287516, 2465764, 3874772, 4315087, 6780851, 8630174, 13561702, 17260348, 27123404, 47465957, 94931914, 189863828]

約数ペア:

[(1, 189863828), (2, 94931914), (4, 47465957), (7, 27123404), (11, 17260348), (14, 13561702), (22, 8630174), (28, 6780851), (44, 4315087), (49, 3874772), (77, 2465764), (83, 2287516), (98, 1937386), (154, 1232882), (166, 1143758), (196, 968693), (308, 616441), (332, 571879), (539, 352252), (581, 326788), (913, 207956), (1061, 178948), (1078, 176126), (1162, 163394), (1826, 103978), (2122, 89474), (2156, 88063), (2324, 81697), (3652, 51989), (4067, 46684), (4244, 44737), (6391, 29708), (7427, 25564), (8134, 23342), (11671, 16268), (12782, 14854)]