78211854

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{281}}^1$

素因数の和:390

約数の個数: 72

約数和(自身を含む): 198579888

約数和(自身を除く): 120368034

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 281, 282, 329, 423, 562, 658, 843, 846, 987, 1686, 1967, 1974, 2209, 2529, 2961, 3934, 4418, 5058, 5901, 5922, 6627, 11802, 13207, 13254, 15463, 17703, 19881, 26414, 30926, 35406, 39621, 39762, 46389, 79242, 92449, 92778, 118863, 139167, 184898, 237726, 277347, 278334, 554694, 620729, 832041, 1241458, 1664082, 1862187, 3724374, 4345103, 5586561, 8690206, 11173122, 13035309, 26070618, 39105927, 78211854]

約数ペア:

[(1, 78211854), (2, 39105927), (3, 26070618), (6, 13035309), (7, 11173122), (9, 8690206), (14, 5586561), (18, 4345103), (21, 3724374), (42, 1862187), (47, 1664082), (63, 1241458), (94, 832041), (126, 620729), (141, 554694), (281, 278334), (282, 277347), (329, 237726), (423, 184898), (562, 139167), (658, 118863), (843, 92778), (846, 92449), (987, 79242), (1686, 46389), (1967, 39762), (1974, 39621), (2209, 35406), (2529, 30926), (2961, 26414), (3934, 19881), (4418, 17703), (5058, 15463), (5901, 13254), (5922, 13207), (6627, 11802)]