213451888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{2381}}^1$

素因数の和:2833

約数の個数: 40

約数和(自身を含む): 446596416

約数和(自身を除く): 233144528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 431, 862, 1724, 2381, 3448, 4762, 5603, 6896, 9524, 11206, 19048, 22412, 30953, 38096, 44824, 61906, 89648, 123812, 247624, 495248, 1026211, 2052422, 4104844, 8209688, 13340743, 16419376, 26681486, 53362972, 106725944, 213451888]

約数ペア:

[(1, 213451888), (2, 106725944), (4, 53362972), (8, 26681486), (13, 16419376), (16, 13340743), (26, 8209688), (52, 4104844), (104, 2052422), (208, 1026211), (431, 495248), (862, 247624), (1724, 123812), (2381, 89648), (3448, 61906), (4762, 44824), (5603, 38096), (6896, 30953), (9524, 22412), (11206, 19048)]