217615208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{34919}}^1$

素因数の和:34985

約数の個数: 32

約数和(自身を含む): 439992000

約数和(自身を除く): 222376792

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 3116, 6232, 34919, 69838, 139676, 279352, 663461, 1326922, 1431679, 2653844, 2863358, 5307688, 5726716, 11453432, 27201901, 54403802, 108807604, 217615208]

約数ペア:

[(1, 217615208), (2, 108807604), (4, 54403802), (8, 27201901), (19, 11453432), (38, 5726716), (41, 5307688), (76, 2863358), (82, 2653844), (152, 1431679), (164, 1326922), (328, 663461), (779, 279352), (1558, 139676), (3116, 69838), (6232, 34919)]