72409988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1039}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 153753600

約数和(自身を除く): 81343612

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 131, 133, 262, 266, 524, 532, 917, 1039, 1834, 2078, 2489, 3668, 4156, 4978, 7273, 9956, 14546, 17423, 19741, 29092, 34846, 39482, 69692, 78964, 136109, 138187, 272218, 276374, 544436, 552748, 952763, 1905526, 2586071, 3811052, 5172142, 10344284, 18102497, 36204994, 72409988]

約数ペア:

[(1, 72409988), (2, 36204994), (4, 18102497), (7, 10344284), (14, 5172142), (19, 3811052), (28, 2586071), (38, 1905526), (76, 952763), (131, 552748), (133, 544436), (262, 276374), (266, 272218), (524, 138187), (532, 136109), (917, 78964), (1039, 69692), (1834, 39482), (2078, 34846), (2489, 29092), (3668, 19741), (4156, 17423), (4978, 14546), (7273, 9956)]