220458654

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{25463}}^1$

素因数の和:25521

約数の個数: 48

約数和(自身を含む): 528327072

約数和(自身を除く): 307868418

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 222, 234, 333, 481, 666, 962, 1443, 2886, 4329, 8658, 25463, 50926, 76389, 152778, 229167, 331019, 458334, 662038, 942131, 993057, 1884262, 1986114, 2826393, 2979171, 5652786, 5958342, 8479179, 12247703, 16958358, 24495406, 36743109, 73486218, 110229327, 220458654]

約数ペア:

[(1, 220458654), (2, 110229327), (3, 73486218), (6, 36743109), (9, 24495406), (13, 16958358), (18, 12247703), (26, 8479179), (37, 5958342), (39, 5652786), (74, 2979171), (78, 2826393), (111, 1986114), (117, 1884262), (222, 993057), (234, 942131), (333, 662038), (481, 458334), (666, 331019), (962, 229167), (1443, 152778), (2886, 76389), (4329, 50926), (8658, 25463)]