278380362

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8167}}^1$

素因数の和:8227

約数の個数: 64

約数和(自身を含む): 658667520

約数和(自身を除く): 380287158

約数列:

[1, 2, 3, 6, 13, 19, 23, 26, 38, 39, 46, 57, 69, 78, 114, 138, 247, 299, 437, 494, 598, 741, 874, 897, 1311, 1482, 1794, 2622, 5681, 8167, 11362, 16334, 17043, 24501, 34086, 49002, 106171, 155173, 187841, 212342, 310346, 318513, 375682, 465519, 563523, 637026, 931038, 1127046, 2017249, 2441933, 3568979, 4034498, 4883866, 6051747, 7137958, 7325799, 10706937, 12103494, 14651598, 21413874, 46396727, 92793454, 139190181, 278380362]

約数ペア:

[(1, 278380362), (2, 139190181), (3, 92793454), (6, 46396727), (13, 21413874), (19, 14651598), (23, 12103494), (26, 10706937), (38, 7325799), (39, 7137958), (46, 6051747), (57, 4883866), (69, 4034498), (78, 3568979), (114, 2441933), (138, 2017249), (247, 1127046), (299, 931038), (437, 637026), (494, 563523), (598, 465519), (741, 375682), (874, 318513), (897, 310346), (1311, 212342), (1482, 187841), (1794, 155173), (2622, 106171), (5681, 49002), (8167, 34086), (11362, 24501), (16334, 17043)]