12978342

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1499}}^1$

素因数の和:1557

約数の個数: 48

約数和(自身を含む): 31122000

約数和(自身を除く): 18143658

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 222, 234, 333, 481, 666, 962, 1443, 1499, 2886, 2998, 4329, 4497, 8658, 8994, 13491, 19487, 26982, 38974, 55463, 58461, 110926, 116922, 166389, 175383, 332778, 350766, 499167, 721019, 998334, 1442038, 2163057, 4326114, 6489171, 12978342]

約数ペア:

[(1, 12978342), (2, 6489171), (3, 4326114), (6, 2163057), (9, 1442038), (13, 998334), (18, 721019), (26, 499167), (37, 350766), (39, 332778), (74, 175383), (78, 166389), (111, 116922), (117, 110926), (222, 58461), (234, 55463), (333, 38974), (481, 26982), (666, 19487), (962, 13491), (1443, 8994), (1499, 8658), (2886, 4497), (2998, 4329)]