685200854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 1178997120

約数和(自身を除く): 493796266

約数列:

[1, 2, 13, 26, 37, 53, 74, 89, 106, 151, 178, 302, 481, 689, 962, 1157, 1378, 1961, 1963, 2314, 3293, 3922, 3926, 4717, 5587, 6586, 8003, 9434, 11174, 13439, 16006, 25493, 26878, 42809, 50986, 61321, 72631, 85618, 104039, 122642, 145262, 174529, 174707, 208078, 296111, 349058, 349414, 497243, 592222, 712267, 994486, 1424534, 2268877, 3849443, 4537754, 6464159, 7698886, 9259471, 12928318, 18518942, 26353879, 52707758, 342600427, 685200854]

約数ペア:

[(1, 685200854), (2, 342600427), (13, 52707758), (26, 26353879), (37, 18518942), (53, 12928318), (74, 9259471), (89, 7698886), (106, 6464159), (151, 4537754), (178, 3849443), (302, 2268877), (481, 1424534), (689, 994486), (962, 712267), (1157, 592222), (1378, 497243), (1961, 349414), (1963, 349058), (2314, 296111), (3293, 208078), (3922, 174707), (3926, 174529), (4717, 145262), (5587, 122642), (6586, 104039), (8003, 85618), (9434, 72631), (11174, 61321), (13439, 50986), (16006, 42809), (25493, 26878)]