31775210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 60840720

約数和(自身を除く): 29065510

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 409, 457, 818, 914, 2045, 2285, 4090, 4570, 6953, 7769, 13906, 15538, 34765, 38845, 69530, 77690, 186913, 373826, 934565, 1869130, 3177521, 6355042, 15887605, 31775210]

約数ペア:

[(1, 31775210), (2, 15887605), (5, 6355042), (10, 3177521), (17, 1869130), (34, 934565), (85, 373826), (170, 186913), (409, 77690), (457, 69530), (818, 38845), (914, 34765), (2045, 15538), (2285, 13906), (4090, 7769), (4570, 6953)]