278501334

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{21089}}^1$

素因数の和:21196

約数の個数: 32

約数和(自身を含む): 583096320

約数和(自身を除く): 304594986

約数列:

[1, 2, 3, 6, 31, 62, 71, 93, 142, 186, 213, 426, 2201, 4402, 6603, 13206, 21089, 42178, 63267, 126534, 653759, 1307518, 1497319, 1961277, 2994638, 3922554, 4491957, 8983914, 46416889, 92833778, 139250667, 278501334]

約数ペア:

[(1, 278501334), (2, 139250667), (3, 92833778), (6, 46416889), (31, 8983914), (62, 4491957), (71, 3922554), (93, 2994638), (142, 1961277), (186, 1497319), (213, 1307518), (426, 653759), (2201, 126534), (4402, 63267), (6603, 42178), (13206, 21089)]