898491139

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{773}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 1132838784

約数和(自身を除く): 234347645

約数列:

[1, 7, 13, 53, 91, 241, 371, 689, 773, 1687, 3133, 4823, 5411, 10049, 12773, 21931, 40969, 70343, 89411, 166049, 186293, 286783, 532597, 1162343, 1304051, 2421809, 3728179, 9873529, 16952663, 69114703, 128355877, 898491139]

約数ペア:

[(1, 898491139), (7, 128355877), (13, 69114703), (53, 16952663), (91, 9873529), (241, 3728179), (371, 2421809), (689, 1304051), (773, 1162343), (1687, 532597), (3133, 286783), (4823, 186293), (5411, 166049), (10049, 89411), (12773, 70343), (21931, 40969)]