81264352

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11491}}^1$

素因数の和:11531

約数の個数: 48

約数和(自身を含む): 182446992

約数和(自身を除く): 101182640

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 3536, 7072, 11491, 22982, 45964, 91928, 149383, 183856, 195347, 298766, 367712, 390694, 597532, 781388, 1195064, 1562776, 2390128, 2539511, 3125552, 4780256, 5079022, 6251104, 10158044, 20316088, 40632176, 81264352]

約数ペア:

[(1, 81264352), (2, 40632176), (4, 20316088), (8, 10158044), (13, 6251104), (16, 5079022), (17, 4780256), (26, 3125552), (32, 2539511), (34, 2390128), (52, 1562776), (68, 1195064), (104, 781388), (136, 597532), (208, 390694), (221, 367712), (272, 298766), (416, 195347), (442, 183856), (544, 149383), (884, 91928), (1768, 45964), (3536, 22982), (7072, 11491)]