87947665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 118554912

約数和(自身を除く): 30607247

約数列:

[1, 5, 13, 41, 61, 65, 205, 305, 533, 541, 793, 2501, 2665, 2705, 3965, 7033, 12505, 22181, 32513, 33001, 35165, 110905, 162565, 165005, 288353, 429013, 1353041, 1441765, 2145065, 6765205, 17589533, 87947665]

約数ペア:

[(1, 87947665), (5, 17589533), (13, 6765205), (41, 2145065), (61, 1441765), (65, 1353041), (205, 429013), (305, 288353), (533, 165005), (541, 162565), (793, 110905), (2501, 35165), (2665, 33001), (2705, 32513), (3965, 22181), (7033, 12505)]