202921784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 427472640

約数和(自身を除く): 224550856

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 113, 124, 226, 248, 403, 452, 557, 806, 904, 1114, 1469, 1612, 2228, 2938, 3224, 3503, 4456, 5876, 7006, 7241, 11752, 14012, 14482, 17267, 28024, 28964, 34534, 45539, 57928, 62941, 69068, 91078, 125882, 138136, 182156, 224471, 251764, 364312, 448942, 503528, 818233, 897884, 1636466, 1795768, 1951171, 3272932, 3902342, 6545864, 7804684, 15609368, 25365223, 50730446, 101460892, 202921784]

約数ペア:

[(1, 202921784), (2, 101460892), (4, 50730446), (8, 25365223), (13, 15609368), (26, 7804684), (31, 6545864), (52, 3902342), (62, 3272932), (104, 1951171), (113, 1795768), (124, 1636466), (226, 897884), (248, 818233), (403, 503528), (452, 448942), (557, 364312), (806, 251764), (904, 224471), (1114, 182156), (1469, 138136), (1612, 125882), (2228, 91078), (2938, 69068), (3224, 62941), (3503, 57928), (4456, 45539), (5876, 34534), (7006, 28964), (7241, 28024), (11752, 17267), (14012, 14482)]