87800908

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 169798720

約数和(自身を除く): 81997812

約数列:

[1, 2, 4, 13, 26, 52, 97, 103, 169, 194, 206, 338, 388, 412, 676, 1261, 1339, 2197, 2522, 2678, 4394, 5044, 5356, 8788, 9991, 16393, 17407, 19982, 32786, 34814, 39964, 65572, 69628, 129883, 213109, 226291, 259766, 426218, 452582, 519532, 852436, 905164, 1688479, 3376958, 6753916, 21950227, 43900454, 87800908]

約数ペア:

[(1, 87800908), (2, 43900454), (4, 21950227), (13, 6753916), (26, 3376958), (52, 1688479), (97, 905164), (103, 852436), (169, 519532), (194, 452582), (206, 426218), (338, 259766), (388, 226291), (412, 213109), (676, 129883), (1261, 69628), (1339, 65572), (2197, 39964), (2522, 34814), (2678, 32786), (4394, 19982), (5044, 17407), (5356, 16393), (8788, 9991)]