201478880405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{399613}}^1$

素因数の和:399821

約数の個数: 32

約数和(自身を含む): 269307866880

約数和(自身を除く): 67828986475

約数列:

[1, 5, 11, 55, 89, 103, 445, 515, 979, 1133, 4895, 5665, 9167, 45835, 100837, 399613, 504185, 1998065, 4395743, 21978715, 35565557, 41160139, 177827785, 205800695, 391221127, 452761529, 1956105635, 2263807645, 3663252371, 18316261855, 40295776081, 201478880405]

約数ペア:

[(1, 201478880405), (5, 40295776081), (11, 18316261855), (55, 3663252371), (89, 2263807645), (103, 1956105635), (445, 452761529), (515, 391221127), (979, 205800695), (1133, 177827785), (4895, 41160139), (5665, 35565557), (9167, 21978715), (45835, 4395743), (100837, 1998065), (399613, 504185)]