78241988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{1163}}^1$

素因数の和:1328

約数の個数: 36

約数和(自身を含む): 151715760

約数和(自身を除く): 73473772

約数列:

[1, 2, 4, 11, 22, 44, 121, 139, 242, 278, 484, 556, 1163, 1529, 2326, 3058, 4652, 6116, 12793, 16819, 25586, 33638, 51172, 67276, 140723, 161657, 281446, 323314, 562892, 646628, 1778227, 3556454, 7112908, 19560497, 39120994, 78241988]

約数ペア:

[(1, 78241988), (2, 39120994), (4, 19560497), (11, 7112908), (22, 3556454), (44, 1778227), (121, 646628), (139, 562892), (242, 323314), (278, 281446), (484, 161657), (556, 140723), (1163, 67276), (1529, 51172), (2326, 33638), (3058, 25586), (4652, 16819), (6116, 12793)]