72398984

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 159667200

約数和(自身を除く): 87268216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 131, 139, 142, 262, 278, 284, 497, 524, 556, 568, 917, 973, 994, 1048, 1112, 1834, 1946, 1988, 3668, 3892, 3976, 7336, 7784, 9301, 9869, 18209, 18602, 19738, 36418, 37204, 39476, 65107, 69083, 72836, 74408, 78952, 127463, 130214, 138166, 145672, 254926, 260428, 276332, 509852, 520856, 552664, 1019704, 1292839, 2585678, 5171356, 9049873, 10342712, 18099746, 36199492, 72398984]

約数ペア:

[(1, 72398984), (2, 36199492), (4, 18099746), (7, 10342712), (8, 9049873), (14, 5171356), (28, 2585678), (56, 1292839), (71, 1019704), (131, 552664), (139, 520856), (142, 509852), (262, 276332), (278, 260428), (284, 254926), (497, 145672), (524, 138166), (556, 130214), (568, 127463), (917, 78952), (973, 74408), (994, 72836), (1048, 69083), (1112, 65107), (1834, 39476), (1946, 37204), (1988, 36418), (3668, 19738), (3892, 18602), (3976, 18209), (7336, 9869), (7784, 9301)]