81379168

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3691}}^1$

素因数の和:3767

約数の個数: 48

約数和(自身を含む): 175842576

約数和(自身を除く): 94463408

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 104, 106, 208, 212, 416, 424, 689, 848, 1378, 1696, 2756, 3691, 5512, 7382, 11024, 14764, 22048, 29528, 47983, 59056, 95966, 118112, 191932, 195623, 383864, 391246, 767728, 782492, 1535456, 1564984, 2543099, 3129968, 5086198, 6259936, 10172396, 20344792, 40689584, 81379168]

約数ペア:

[(1, 81379168), (2, 40689584), (4, 20344792), (8, 10172396), (13, 6259936), (16, 5086198), (26, 3129968), (32, 2543099), (52, 1564984), (53, 1535456), (104, 782492), (106, 767728), (208, 391246), (212, 383864), (416, 195623), (424, 191932), (689, 118112), (848, 95966), (1378, 59056), (1696, 47983), (2756, 29528), (3691, 22048), (5512, 14764), (7382, 11024)]