1487996818

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{72649}}^1$

素因数の和:72695

約数の個数: 48

約数和(自身を含む): 2981556000

約数和(自身を除く): 1493559182

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 133, 154, 209, 266, 418, 539, 931, 1078, 1463, 1862, 2926, 10241, 20482, 72649, 145298, 508543, 799139, 1017086, 1380331, 1598278, 2760662, 3559801, 5593973, 7119602, 9662317, 11187946, 15183641, 19324634, 30367282, 39157811, 67636219, 78315622, 106285487, 135272438, 212570974, 743998409, 1487996818]

約数ペア:

[(1, 1487996818), (2, 743998409), (7, 212570974), (11, 135272438), (14, 106285487), (19, 78315622), (22, 67636219), (38, 39157811), (49, 30367282), (77, 19324634), (98, 15183641), (133, 11187946), (154, 9662317), (209, 7119602), (266, 5593973), (418, 3559801), (539, 2760662), (931, 1598278), (1078, 1380331), (1463, 1017086), (1862, 799139), (2926, 508543), (10241, 145298), (20482, 72649)]