71531838

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{257}}^1$

素因数の和:366

約数の個数: 72

約数和(自身を含む): 181679472

約数和(自身を除く): 110147634

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 257, 282, 329, 423, 514, 658, 771, 846, 987, 1542, 1799, 1974, 2209, 2313, 2961, 3598, 4418, 4626, 5397, 5922, 6627, 10794, 12079, 13254, 15463, 16191, 19881, 24158, 30926, 32382, 36237, 39762, 46389, 72474, 84553, 92778, 108711, 139167, 169106, 217422, 253659, 278334, 507318, 567713, 760977, 1135426, 1521954, 1703139, 3406278, 3973991, 5109417, 7947982, 10218834, 11921973, 23843946, 35765919, 71531838]

約数ペア:

[(1, 71531838), (2, 35765919), (3, 23843946), (6, 11921973), (7, 10218834), (9, 7947982), (14, 5109417), (18, 3973991), (21, 3406278), (42, 1703139), (47, 1521954), (63, 1135426), (94, 760977), (126, 567713), (141, 507318), (257, 278334), (282, 253659), (329, 217422), (423, 169106), (514, 139167), (658, 108711), (771, 92778), (846, 84553), (987, 72474), (1542, 46389), (1799, 39762), (1974, 36237), (2209, 32382), (2313, 30926), (2961, 24158), (3598, 19881), (4418, 16191), (4626, 15463), (5397, 13254), (5922, 12079), (6627, 10794)]