255943696

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:991

約数の個数: 40

約数和(自身を含む): 503592768

約数和(自身を除く): 247649072

約数列:

[1, 2, 4, 8, 16, 101, 202, 251, 404, 502, 631, 808, 1004, 1262, 1616, 2008, 2524, 4016, 5048, 10096, 25351, 50702, 63731, 101404, 127462, 158381, 202808, 254924, 316762, 405616, 509848, 633524, 1019696, 1267048, 2534096, 15996481, 31992962, 63985924, 127971848, 255943696]

約数ペア:

[(1, 255943696), (2, 127971848), (4, 63985924), (8, 31992962), (16, 15996481), (101, 2534096), (202, 1267048), (251, 1019696), (404, 633524), (502, 509848), (631, 405616), (808, 316762), (1004, 254924), (1262, 202808), (1616, 158381), (2008, 127462), (2524, 101404), (4016, 63731), (5048, 50702), (10096, 25351)]