31530784

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 66339000

約数和(自身を除く): 34808216

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 149, 272, 298, 389, 544, 596, 778, 1192, 1556, 2384, 2533, 3112, 4768, 5066, 6224, 6613, 10132, 12448, 13226, 20264, 26452, 40528, 52904, 57961, 81056, 105808, 115922, 211616, 231844, 463688, 927376, 985337, 1854752, 1970674, 3941348, 7882696, 15765392, 31530784]

約数ペア:

[(1, 31530784), (2, 15765392), (4, 7882696), (8, 3941348), (16, 1970674), (17, 1854752), (32, 985337), (34, 927376), (68, 463688), (136, 231844), (149, 211616), (272, 115922), (298, 105808), (389, 81056), (544, 57961), (596, 52904), (778, 40528), (1192, 26452), (1556, 20264), (2384, 13226), (2533, 12448), (3112, 10132), (4768, 6613), (5066, 6224)]