81517587845

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1433}}^1\times {\mathrm{2633}}^1$

素因数の和:4249

約数の個数: 32

約数和(自身を含む): 101983212000

約数和(自身を除く): 20465624155

約数列:

[1, 5, 29, 145, 149, 745, 1433, 2633, 4321, 7165, 13165, 21605, 41557, 76357, 207785, 213517, 381785, 392317, 1067585, 1961585, 3773089, 6191993, 11377193, 18865445, 30959965, 56885965, 109419581, 547097905, 562190261, 2810951305, 16303517569, 81517587845]

約数ペア:

[(1, 81517587845), (5, 16303517569), (29, 2810951305), (145, 562190261), (149, 547097905), (745, 109419581), (1433, 56885965), (2633, 30959965), (4321, 18865445), (7165, 11377193), (13165, 6191993), (21605, 3773089), (41557, 1961585), (76357, 1067585), (207785, 392317), (213517, 381785)]