257912208

素因数分解:

$2^4\times 3^3\times {\mathrm{83}}^1\times {\mathrm{7193}}^1$

素因数の和:7293

約数の個数: 80

約数和(自身を含む): 749327040

約数和(自身を除く): 491414832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 83, 108, 144, 166, 216, 249, 332, 432, 498, 664, 747, 996, 1328, 1494, 1992, 2241, 2988, 3984, 4482, 5976, 7193, 8964, 11952, 14386, 17928, 21579, 28772, 35856, 43158, 57544, 64737, 86316, 115088, 129474, 172632, 194211, 258948, 345264, 388422, 517896, 597019, 776844, 1035792, 1194038, 1553688, 1791057, 2388076, 3107376, 3582114, 4776152, 5373171, 7164228, 9552304, 10746342, 14328456, 16119513, 21492684, 28656912, 32239026, 42985368, 64478052, 85970736, 128956104, 257912208]

約数ペア:

[(1, 257912208), (2, 128956104), (3, 85970736), (4, 64478052), (6, 42985368), (8, 32239026), (9, 28656912), (12, 21492684), (16, 16119513), (18, 14328456), (24, 10746342), (27, 9552304), (36, 7164228), (48, 5373171), (54, 4776152), (72, 3582114), (83, 3107376), (108, 2388076), (144, 1791057), (166, 1553688), (216, 1194038), (249, 1035792), (332, 776844), (432, 597019), (498, 517896), (664, 388422), (747, 345264), (996, 258948), (1328, 194211), (1494, 172632), (1992, 129474), (2241, 115088), (2988, 86316), (3984, 64737), (4482, 57544), (5976, 43158), (7193, 35856), (8964, 28772), (11952, 21579), (14386, 17928)]