31978518

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 78423552

約数和(自身を除く): 46445034

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 47, 61, 66, 78, 94, 122, 141, 143, 169, 183, 282, 286, 338, 366, 429, 507, 517, 611, 671, 793, 858, 1014, 1034, 1222, 1342, 1551, 1586, 1833, 1859, 2013, 2379, 2867, 3102, 3666, 3718, 4026, 4758, 5577, 5734, 6721, 7943, 8601, 8723, 10309, 11154, 13442, 15886, 17202, 17446, 20163, 20618, 23829, 26169, 30927, 31537, 37271, 40326, 47658, 52338, 61854, 63074, 74542, 87373, 94611, 111813, 113399, 174746, 189222, 223626, 226798, 262119, 340197, 409981, 484523, 524238, 680394, 819962, 969046, 1229943, 1453569, 2459886, 2907138, 5329753, 10659506, 15989259, 31978518]

約数ペア:

[(1, 31978518), (2, 15989259), (3, 10659506), (6, 5329753), (11, 2907138), (13, 2459886), (22, 1453569), (26, 1229943), (33, 969046), (39, 819962), (47, 680394), (61, 524238), (66, 484523), (78, 409981), (94, 340197), (122, 262119), (141, 226798), (143, 223626), (169, 189222), (183, 174746), (282, 113399), (286, 111813), (338, 94611), (366, 87373), (429, 74542), (507, 63074), (517, 61854), (611, 52338), (671, 47658), (793, 40326), (858, 37271), (1014, 31537), (1034, 30927), (1222, 26169), (1342, 23829), (1551, 20618), (1586, 20163), (1833, 17446), (1859, 17202), (2013, 15886), (2379, 13442), (2867, 11154), (3102, 10309), (3666, 8723), (3718, 8601), (4026, 7943), (4758, 6721), (5577, 5734)]