128377832

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{76781}}^1$

素因数の和:76817

約数の個数: 32

約数和(自身を含む): 276415200

約数和(自身を除く): 148037368

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 76781, 153562, 307124, 614248, 844591, 1458839, 1689182, 2917678, 3378364, 5835356, 6756728, 11670712, 16047229, 32094458, 64188916, 128377832]

約数ペア:

[(1, 128377832), (2, 64188916), (4, 32094458), (8, 16047229), (11, 11670712), (19, 6756728), (22, 5835356), (38, 3378364), (44, 2917678), (76, 1689182), (88, 1458839), (152, 844591), (209, 614248), (418, 307124), (836, 153562), (1672, 76781)]