31893550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:517

約数の個数: 48

約数和(自身を含む): 64527120

約数和(自身を除く): 32633570

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 139, 278, 325, 353, 650, 695, 706, 1390, 1765, 1807, 3475, 3530, 3614, 4589, 6950, 8825, 9035, 9178, 17650, 18070, 22945, 45175, 45890, 49067, 90350, 98134, 114725, 229450, 245335, 490670, 637871, 1226675, 1275742, 2453350, 3189355, 6378710, 15946775, 31893550]

約数ペア:

[(1, 31893550), (2, 15946775), (5, 6378710), (10, 3189355), (13, 2453350), (25, 1275742), (26, 1226675), (50, 637871), (65, 490670), (130, 245335), (139, 229450), (278, 114725), (325, 98134), (353, 90350), (650, 49067), (695, 45890), (706, 45175), (1390, 22945), (1765, 18070), (1807, 17650), (3475, 9178), (3530, 9035), (3614, 8825), (4589, 6950)]