1996647535

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 2772372096

約数和(自身を除く): 775724561

約数列:

[1, 5, 17, 29, 31, 53, 85, 145, 155, 265, 289, 493, 527, 841, 899, 901, 1445, 1537, 1643, 2465, 2635, 4205, 4495, 4505, 7685, 8215, 8381, 8959, 14297, 15283, 15317, 26071, 26129, 27931, 41905, 44573, 44795, 47647, 71485, 76415, 76585, 130355, 130645, 139655, 222865, 238235, 243049, 259811, 443207, 444193, 474827, 757741, 809999, 1215245, 1299055, 1381763, 2216035, 2220965, 2374135, 3788705, 4049995, 6908815, 7534519, 12881597, 13769983, 23489971, 37672595, 64407985, 68849915, 117449855, 399329507, 1996647535]

約数ペア:

[(1, 1996647535), (5, 399329507), (17, 117449855), (29, 68849915), (31, 64407985), (53, 37672595), (85, 23489971), (145, 13769983), (155, 12881597), (265, 7534519), (289, 6908815), (493, 4049995), (527, 3788705), (841, 2374135), (899, 2220965), (901, 2216035), (1445, 1381763), (1537, 1299055), (1643, 1215245), (2465, 809999), (2635, 757741), (4205, 474827), (4495, 444193), (4505, 443207), (7685, 259811), (8215, 243049), (8381, 238235), (8959, 222865), (14297, 139655), (15283, 130645), (15317, 130355), (26071, 76585), (26129, 76415), (27931, 71485), (41905, 47647), (44573, 44795)]