31026908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 65404416

約数和(自身を除く): 34377508

約数列:

[1, 2, 4, 11, 22, 23, 31, 43, 44, 46, 62, 86, 92, 124, 172, 253, 341, 473, 506, 529, 682, 713, 946, 989, 1012, 1058, 1333, 1364, 1426, 1892, 1978, 2116, 2666, 2852, 3956, 5332, 5819, 7843, 10879, 11638, 14663, 15686, 16399, 21758, 22747, 23276, 29326, 30659, 31372, 32798, 43516, 45494, 58652, 61318, 65596, 90988, 122636, 180389, 250217, 337249, 360778, 500434, 674498, 705157, 721556, 1000868, 1348996, 1410314, 2820628, 7756727, 15513454, 31026908]

約数ペア:

[(1, 31026908), (2, 15513454), (4, 7756727), (11, 2820628), (22, 1410314), (23, 1348996), (31, 1000868), (43, 721556), (44, 705157), (46, 674498), (62, 500434), (86, 360778), (92, 337249), (124, 250217), (172, 180389), (253, 122636), (341, 90988), (473, 65596), (506, 61318), (529, 58652), (682, 45494), (713, 43516), (946, 32798), (989, 31372), (1012, 30659), (1058, 29326), (1333, 23276), (1364, 22747), (1426, 21758), (1892, 16399), (1978, 15686), (2116, 14663), (2666, 11638), (2852, 10879), (3956, 7843), (5332, 5819)]