131273065

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 214990848

約数和(自身を除く): 83717783

約数列:

[1, 5, 7, 11, 17, 31, 35, 55, 77, 85, 119, 155, 187, 217, 341, 385, 527, 595, 647, 935, 1085, 1309, 1705, 2387, 2635, 3235, 3689, 4529, 5797, 6545, 7117, 10999, 11935, 18445, 20057, 22645, 28985, 35585, 40579, 49819, 54995, 76993, 100285, 120989, 140399, 202895, 220627, 249095, 340969, 384965, 604945, 701995, 846923, 1103135, 1544389, 1704845, 2386783, 3750659, 4234615, 7721945, 11933915, 18753295, 26254613, 131273065]

約数ペア:

[(1, 131273065), (5, 26254613), (7, 18753295), (11, 11933915), (17, 7721945), (31, 4234615), (35, 3750659), (55, 2386783), (77, 1704845), (85, 1544389), (119, 1103135), (155, 846923), (187, 701995), (217, 604945), (341, 384965), (385, 340969), (527, 249095), (595, 220627), (647, 202895), (935, 140399), (1085, 120989), (1309, 100285), (1705, 76993), (2387, 54995), (2635, 49819), (3235, 40579), (3689, 35585), (4529, 28985), (5797, 22645), (6545, 20057), (7117, 18445), (10999, 11935)]