348511345

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 539320320

約数和(自身を除く): 190808975

約数列:

[1, 5, 7, 13, 35, 43, 47, 65, 91, 215, 235, 301, 329, 379, 455, 559, 611, 1505, 1645, 1895, 2021, 2653, 2795, 3055, 3913, 4277, 4927, 10105, 13265, 14147, 16297, 17813, 19565, 21385, 24635, 26273, 34489, 70735, 81485, 89065, 114079, 124691, 131365, 172445, 183911, 211861, 231569, 570395, 623455, 765959, 919555, 1059305, 1157845, 1483027, 1620983, 3829795, 5361713, 7415135, 8104915, 9957467, 26808565, 49787335, 69702269, 348511345]

約数ペア:

[(1, 348511345), (5, 69702269), (7, 49787335), (13, 26808565), (35, 9957467), (43, 8104915), (47, 7415135), (65, 5361713), (91, 3829795), (215, 1620983), (235, 1483027), (301, 1157845), (329, 1059305), (379, 919555), (455, 765959), (559, 623455), (611, 570395), (1505, 231569), (1645, 211861), (1895, 183911), (2021, 172445), (2653, 131365), (2795, 124691), (3055, 114079), (3913, 89065), (4277, 81485), (4927, 70735), (10105, 34489), (13265, 26273), (14147, 24635), (16297, 21385), (17813, 19565)]