325640368

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 679956480

約数和(自身を除く): 354316112

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 67, 82, 124, 134, 164, 239, 248, 268, 328, 478, 496, 536, 656, 956, 1072, 1271, 1912, 2077, 2542, 2747, 3824, 4154, 5084, 5494, 7409, 8308, 9799, 10168, 10988, 14818, 16013, 16616, 19598, 20336, 21976, 29636, 32026, 33232, 39196, 43952, 59272, 64052, 78392, 85157, 118544, 128104, 156784, 170314, 256208, 303769, 340628, 496403, 607538, 656533, 681256, 992806, 1215076, 1313066, 1362512, 1985612, 2430152, 2626132, 3971224, 4860304, 5252264, 7942448, 10504528, 20352523, 40705046, 81410092, 162820184, 325640368]

約数ペア:

[(1, 325640368), (2, 162820184), (4, 81410092), (8, 40705046), (16, 20352523), (31, 10504528), (41, 7942448), (62, 5252264), (67, 4860304), (82, 3971224), (124, 2626132), (134, 2430152), (164, 1985612), (239, 1362512), (248, 1313066), (268, 1215076), (328, 992806), (478, 681256), (496, 656533), (536, 607538), (656, 496403), (956, 340628), (1072, 303769), (1271, 256208), (1912, 170314), (2077, 156784), (2542, 128104), (2747, 118544), (3824, 85157), (4154, 78392), (5084, 64052), (5494, 59272), (7409, 43952), (8308, 39196), (9799, 33232), (10168, 32026), (10988, 29636), (14818, 21976), (16013, 20336), (16616, 19598)]