78370285

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 110073600

約数和(自身を除く): 31703315

約数列:

[1, 5, 7, 35, 89, 139, 181, 445, 623, 695, 905, 973, 1267, 3115, 4865, 6335, 12371, 16109, 25159, 61855, 80545, 86597, 112763, 125795, 176113, 432985, 563815, 880565, 2239151, 11195755, 15674057, 78370285]

約数ペア:

[(1, 78370285), (5, 15674057), (7, 11195755), (35, 2239151), (89, 880565), (139, 563815), (181, 432985), (445, 176113), (623, 125795), (695, 112763), (905, 86597), (973, 80545), (1267, 61855), (3115, 25159), (4865, 16109), (6335, 12371)]