1898996815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1\times {\mathrm{661}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 2454886656

約数和(自身を除く): 555889841

約数列:

[1, 5, 17, 73, 85, 365, 463, 661, 1241, 2315, 3305, 6205, 7871, 11237, 33799, 39355, 48253, 56185, 168995, 241265, 306043, 574583, 820301, 1530215, 2872915, 4101505, 5202731, 22341139, 26013655, 111705695, 379799363, 1898996815]

約数ペア:

[(1, 1898996815), (5, 379799363), (17, 111705695), (73, 26013655), (85, 22341139), (365, 5202731), (463, 4101505), (661, 2872915), (1241, 1530215), (2315, 820301), (3305, 574583), (6205, 306043), (7871, 241265), (11237, 168995), (33799, 56185), (39355, 48253)]