220591976

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131933}}^1$

素因数の和:131969

約数の個数: 32

約数和(自身を含む): 474962400

約数和(自身を除く): 254370424

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 131933, 263866, 527732, 1055464, 1451263, 2506727, 2902526, 5013454, 5805052, 10026908, 11610104, 20053816, 27573997, 55147994, 110295988, 220591976]

約数ペア:

[(1, 220591976), (2, 110295988), (4, 55147994), (8, 27573997), (11, 20053816), (19, 11610104), (22, 10026908), (38, 5805052), (44, 5013454), (76, 2902526), (88, 2506727), (152, 1451263), (209, 1055464), (418, 527732), (836, 263866), (1672, 131933)]