72784556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{15727}}^1$

素因数の和:15833

約数の個数: 24

約数和(自身を含む): 138720960

約数和(自身を除く): 65936404

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 15727, 31454, 62908, 204451, 408902, 817804, 1399703, 2799406, 5598812, 18196139, 36392278, 72784556]

約数ペア:

[(1, 72784556), (2, 36392278), (4, 18196139), (13, 5598812), (26, 2799406), (52, 1399703), (89, 817804), (178, 408902), (356, 204451), (1157, 62908), (2314, 31454), (4628, 15727)]