81839290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 167795712

約数和(自身を除く): 85956422

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 101, 115, 130, 202, 230, 271, 299, 505, 542, 598, 1010, 1313, 1355, 1495, 2323, 2626, 2710, 2990, 3523, 4646, 6233, 6565, 7046, 11615, 12466, 13130, 17615, 23230, 27371, 30199, 31165, 35230, 54742, 60398, 62330, 81029, 136855, 150995, 162058, 273710, 301990, 355823, 405145, 629533, 711646, 810290, 1259066, 1779115, 3147665, 3558230, 6295330, 8183929, 16367858, 40919645, 81839290]

約数ペア:

[(1, 81839290), (2, 40919645), (5, 16367858), (10, 8183929), (13, 6295330), (23, 3558230), (26, 3147665), (46, 1779115), (65, 1259066), (101, 810290), (115, 711646), (130, 629533), (202, 405145), (230, 355823), (271, 301990), (299, 273710), (505, 162058), (542, 150995), (598, 136855), (1010, 81029), (1313, 62330), (1355, 60398), (1495, 54742), (2323, 35230), (2626, 31165), (2710, 30199), (2990, 27371), (3523, 23230), (4646, 17615), (6233, 13130), (6565, 12466), (7046, 11615)]