28156780804

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{373}}^1\times {\mathrm{2221}}^1$

素因数の和:2920

約数の個数: 48

約数和(自身を含む): 51307668720

約数和(自身を除く): 23150887916

約数列:

[1, 2, 4, 29, 58, 116, 293, 373, 586, 746, 1172, 1492, 2221, 4442, 8497, 8884, 10817, 16994, 21634, 33988, 43268, 64409, 109289, 128818, 218578, 257636, 437156, 650753, 828433, 1301506, 1656866, 2603012, 3169381, 3313732, 6338762, 12677524, 18871837, 24024557, 37743674, 48049114, 75487348, 96098228, 242730869, 485461738, 970923476, 7039195201, 14078390402, 28156780804]

約数ペア:

[(1, 28156780804), (2, 14078390402), (4, 7039195201), (29, 970923476), (58, 485461738), (116, 242730869), (293, 96098228), (373, 75487348), (586, 48049114), (746, 37743674), (1172, 24024557), (1492, 18871837), (2221, 12677524), (4442, 6338762), (8497, 3313732), (8884, 3169381), (10817, 2603012), (16994, 1656866), (21634, 1301506), (33988, 828433), (43268, 650753), (64409, 437156), (109289, 257636), (128818, 218578)]