128009992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{76561}}^1$

素因数の和:76597

約数の個数: 32

約数和(自身を含む): 275623200

約数和(自身を除く): 147613208

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 76561, 153122, 306244, 612488, 842171, 1454659, 1684342, 2909318, 3368684, 5818636, 6737368, 11637272, 16001249, 32002498, 64004996, 128009992]

約数ペア:

[(1, 128009992), (2, 64004996), (4, 32002498), (8, 16001249), (11, 11637272), (19, 6737368), (22, 5818636), (38, 3368684), (44, 2909318), (76, 1684342), (88, 1454659), (152, 842171), (209, 612488), (418, 306244), (836, 153122), (1672, 76561)]