80261636

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{709}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 173671680

約数和(自身を除く): 93410044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 311, 364, 622, 709, 1244, 1418, 2177, 2836, 4043, 4354, 4963, 8086, 8708, 9217, 9926, 16172, 18434, 19852, 28301, 36868, 56602, 64519, 113204, 129038, 220499, 258076, 440998, 881996, 1543493, 2866487, 3086986, 5732974, 6173972, 11465948, 20065409, 40130818, 80261636]

約数ペア:

[(1, 80261636), (2, 40130818), (4, 20065409), (7, 11465948), (13, 6173972), (14, 5732974), (26, 3086986), (28, 2866487), (52, 1543493), (91, 881996), (182, 440998), (311, 258076), (364, 220499), (622, 129038), (709, 113204), (1244, 64519), (1418, 56602), (2177, 36868), (2836, 28301), (4043, 19852), (4354, 18434), (4963, 16172), (8086, 9926), (8708, 9217)]