87447490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{39569}}^1$

素因数の和:39606

約数の個数: 32

約数和(自身を含む): 179489520

約数和(自身を除く): 92042030

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 39569, 79138, 197845, 395690, 514397, 672673, 1028794, 1345346, 2571985, 3363365, 5143970, 6726730, 8744749, 17489498, 43723745, 87447490]

約数ペア:

[(1, 87447490), (2, 43723745), (5, 17489498), (10, 8744749), (13, 6726730), (17, 5143970), (26, 3363365), (34, 2571985), (65, 1345346), (85, 1028794), (130, 672673), (170, 514397), (221, 395690), (442, 197845), (1105, 79138), (2210, 39569)]