8438690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{467}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 16511040

約数和(自身を除く): 8072350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 467, 695, 934, 1390, 1807, 2335, 3614, 4670, 6071, 9035, 12142, 18070, 30355, 60710, 64913, 129826, 324565, 649130, 843869, 1687738, 4219345, 8438690]

約数ペア:

[(1, 8438690), (2, 4219345), (5, 1687738), (10, 843869), (13, 649130), (26, 324565), (65, 129826), (130, 64913), (139, 60710), (278, 30355), (467, 18070), (695, 12142), (934, 9035), (1390, 6071), (1807, 4670), (2335, 3614)]