218139124

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{881}}^1$

素因数の和:1168

約数の個数: 48

約数和(自身を含む): 450455040

約数和(自身を除く): 232315916

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 239, 259, 478, 518, 881, 956, 1036, 1673, 1762, 3346, 3524, 6167, 6692, 8843, 12334, 17686, 24668, 32597, 35372, 61901, 65194, 123802, 130388, 210559, 228179, 247604, 421118, 456358, 842236, 912716, 1473913, 2947826, 5895652, 7790683, 15581366, 31162732, 54534781, 109069562, 218139124]

約数ペア:

[(1, 218139124), (2, 109069562), (4, 54534781), (7, 31162732), (14, 15581366), (28, 7790683), (37, 5895652), (74, 2947826), (148, 1473913), (239, 912716), (259, 842236), (478, 456358), (518, 421118), (881, 247604), (956, 228179), (1036, 210559), (1673, 130388), (1762, 123802), (3346, 65194), (3524, 61901), (6167, 35372), (6692, 32597), (8843, 24668), (12334, 17686)]