1289509232

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1861}}^1$

素因数の和:2038

約数の個数: 80

約数和(自身を含む): 2837151744

約数和(自身を除く): 1547642512

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 127, 176, 248, 254, 341, 496, 508, 682, 1016, 1364, 1397, 1861, 2032, 2728, 2794, 3722, 3937, 5456, 5588, 7444, 7874, 11176, 14888, 15748, 20471, 22352, 29776, 31496, 40942, 43307, 57691, 62992, 81884, 86614, 115382, 163768, 173228, 230764, 236347, 327536, 346456, 461528, 472694, 634601, 692912, 923056, 945388, 1269202, 1890776, 2538404, 2599817, 3781552, 5076808, 5199634, 7326757, 10153616, 10399268, 14653514, 20798536, 29307028, 41597072, 58614056, 80594327, 117228112, 161188654, 322377308, 644754616, 1289509232]

約数ペア:

[(1, 1289509232), (2, 644754616), (4, 322377308), (8, 161188654), (11, 117228112), (16, 80594327), (22, 58614056), (31, 41597072), (44, 29307028), (62, 20798536), (88, 14653514), (124, 10399268), (127, 10153616), (176, 7326757), (248, 5199634), (254, 5076808), (341, 3781552), (496, 2599817), (508, 2538404), (682, 1890776), (1016, 1269202), (1364, 945388), (1397, 923056), (1861, 692912), (2032, 634601), (2728, 472694), (2794, 461528), (3722, 346456), (3937, 327536), (5456, 236347), (5588, 230764), (7444, 173228), (7874, 163768), (11176, 115382), (14888, 86614), (15748, 81884), (20471, 62992), (22352, 57691), (29776, 43307), (31496, 40942)]