9409990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 17853696

約数和(自身を除く): 8443706

約数列:

[1, 2, 5, 10, 23, 46, 115, 163, 230, 251, 326, 502, 815, 1255, 1630, 2510, 3749, 5773, 7498, 11546, 18745, 28865, 37490, 40913, 57730, 81826, 204565, 409130, 940999, 1881998, 4704995, 9409990]

約数ペア:

[(1, 9409990), (2, 4704995), (5, 1881998), (10, 940999), (23, 409130), (46, 204565), (115, 81826), (163, 57730), (230, 40913), (251, 37490), (326, 28865), (502, 18745), (815, 11546), (1255, 7498), (1630, 5773), (2510, 3749)]