685867028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{51787}}^1$

素因数の和:51852

約数の個数: 48

約数和(自身を含む): 1531267584

約数和(自身を除く): 845400556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 154, 172, 301, 308, 473, 602, 946, 1204, 1892, 3311, 6622, 13244, 51787, 103574, 207148, 362509, 569657, 725018, 1139314, 1450036, 2226841, 2278628, 3987599, 4453682, 7975198, 8907364, 15587887, 15950396, 24495251, 31175774, 48990502, 62351548, 97981004, 171466757, 342933514, 685867028]

約数ペア:

[(1, 685867028), (2, 342933514), (4, 171466757), (7, 97981004), (11, 62351548), (14, 48990502), (22, 31175774), (28, 24495251), (43, 15950396), (44, 15587887), (77, 8907364), (86, 7975198), (154, 4453682), (172, 3987599), (301, 2278628), (308, 2226841), (473, 1450036), (602, 1139314), (946, 725018), (1204, 569657), (1892, 362509), (3311, 207148), (6622, 103574), (13244, 51787)]