78164810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{19991}}^1$

素因数の和:20038

約数の個数: 32

約数和(自身を含む): 155457792

約数和(自身を除く): 77292982

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 19991, 39982, 99955, 199910, 339847, 459793, 679694, 919586, 1699235, 2298965, 3398470, 4597930, 7816481, 15632962, 39082405, 78164810]

約数ペア:

[(1, 78164810), (2, 39082405), (5, 15632962), (10, 7816481), (17, 4597930), (23, 3398470), (34, 2298965), (46, 1699235), (85, 919586), (115, 679694), (170, 459793), (230, 339847), (391, 199910), (782, 99955), (1955, 39982), (3910, 19991)]