31471818

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{641}}^1$

素因数の和:827

約数の個数: 48

約数和(自身を含む): 73773504

約数和(自身を除く): 42301686

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 167, 294, 334, 501, 641, 1002, 1169, 1282, 1923, 2338, 3507, 3846, 4487, 7014, 8183, 8974, 13461, 16366, 24549, 26922, 31409, 49098, 62818, 94227, 107047, 188454, 214094, 321141, 642282, 749329, 1498658, 2247987, 4495974, 5245303, 10490606, 15735909, 31471818]

約数ペア:

[(1, 31471818), (2, 15735909), (3, 10490606), (6, 5245303), (7, 4495974), (14, 2247987), (21, 1498658), (42, 749329), (49, 642282), (98, 321141), (147, 214094), (167, 188454), (294, 107047), (334, 94227), (501, 62818), (641, 49098), (1002, 31409), (1169, 26922), (1282, 24549), (1923, 16366), (2338, 13461), (3507, 8974), (3846, 8183), (4487, 7014)]