212815384

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{9967}}^1$

素因数の和:10147

約数の個数: 32

約数和(自身を含む): 425234880

約数和(自身を除く): 212419496

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157, 314, 628, 1256, 2669, 5338, 9967, 10676, 19934, 21352, 39868, 79736, 169439, 338878, 677756, 1355512, 1564819, 3129638, 6259276, 12518552, 26601923, 53203846, 106407692, 212815384]

約数ペア:

[(1, 212815384), (2, 106407692), (4, 53203846), (8, 26601923), (17, 12518552), (34, 6259276), (68, 3129638), (136, 1564819), (157, 1355512), (314, 677756), (628, 338878), (1256, 169439), (2669, 79736), (5338, 39868), (9967, 21352), (10676, 19934)]