660984905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{647}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 973990656

約数和(自身を除く): 313005751

約数列:

[1, 5, 7, 17, 35, 85, 101, 119, 289, 505, 595, 647, 707, 1445, 1717, 2023, 3235, 3535, 4529, 8585, 10115, 10999, 12019, 22645, 29189, 54995, 60095, 65347, 76993, 145945, 186983, 204323, 326735, 384965, 457429, 934915, 1021615, 1110899, 1308881, 2287145, 5554495, 6544405, 7776293, 18885283, 38881465, 94426415, 132196981, 660984905]

約数ペア:

[(1, 660984905), (5, 132196981), (7, 94426415), (17, 38881465), (35, 18885283), (85, 7776293), (101, 6544405), (119, 5554495), (289, 2287145), (505, 1308881), (595, 1110899), (647, 1021615), (707, 934915), (1445, 457429), (1717, 384965), (2023, 326735), (3235, 204323), (3535, 186983), (4529, 145945), (8585, 76993), (10115, 65347), (10999, 60095), (12019, 54995), (22645, 29189)]