280809328

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{6389}}^1$

素因数の和:6505

約数の個数: 40

約数和(自身を含む): 565745040

約数和(自身を除く): 284935712

約数列:

[1, 2, 4, 8, 16, 41, 67, 82, 134, 164, 268, 328, 536, 656, 1072, 2747, 5494, 6389, 10988, 12778, 21976, 25556, 43952, 51112, 102224, 261949, 428063, 523898, 856126, 1047796, 1712252, 2095592, 3424504, 4191184, 6849008, 17550583, 35101166, 70202332, 140404664, 280809328]

約数ペア:

[(1, 280809328), (2, 140404664), (4, 70202332), (8, 35101166), (16, 17550583), (41, 6849008), (67, 4191184), (82, 3424504), (134, 2095592), (164, 1712252), (268, 1047796), (328, 856126), (536, 523898), (656, 428063), (1072, 261949), (2747, 102224), (5494, 51112), (6389, 43952), (10988, 25556), (12778, 21976)]