31898454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 77967360

約数和(自身を除く): 46068906

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 71, 114, 133, 142, 213, 266, 399, 426, 497, 563, 798, 994, 1126, 1349, 1491, 1689, 2698, 2982, 3378, 3941, 4047, 7882, 8094, 9443, 10697, 11823, 18886, 21394, 23646, 28329, 32091, 39973, 56658, 64182, 74879, 79946, 119919, 149758, 224637, 239838, 279811, 449274, 559622, 759487, 839433, 1518974, 1678866, 2278461, 4556922, 5316409, 10632818, 15949227, 31898454]

約数ペア:

[(1, 31898454), (2, 15949227), (3, 10632818), (6, 5316409), (7, 4556922), (14, 2278461), (19, 1678866), (21, 1518974), (38, 839433), (42, 759487), (57, 559622), (71, 449274), (114, 279811), (133, 239838), (142, 224637), (213, 149758), (266, 119919), (399, 79946), (426, 74879), (497, 64182), (563, 56658), (798, 39973), (994, 32091), (1126, 28329), (1349, 23646), (1491, 21394), (1689, 18886), (2698, 11823), (2982, 10697), (3378, 9443), (3941, 8094), (4047, 7882)]