221271454

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{619}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 366048000

約数和(自身を除く): 144776546

約数列:

[1, 2, 19, 23, 38, 46, 409, 437, 619, 818, 874, 1238, 7771, 9407, 11761, 14237, 15542, 18814, 23522, 28474, 178733, 253171, 270503, 357466, 506342, 541006, 4810249, 5822933, 9620498, 11645866, 110635727, 221271454]

約数ペア:

[(1, 221271454), (2, 110635727), (19, 11645866), (23, 9620498), (38, 5822933), (46, 4810249), (409, 541006), (437, 506342), (619, 357466), (818, 270503), (874, 253171), (1238, 178733), (7771, 28474), (9407, 23522), (11761, 18814), (14237, 15542)]