153231428

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1849

約数の個数: 72

約数和(自身を含む): 342820800

約数和(自身を除く): 189589372

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 49, 76, 92, 98, 133, 161, 196, 266, 322, 437, 532, 644, 874, 931, 1127, 1748, 1789, 1862, 2254, 3059, 3578, 3724, 4508, 6118, 7156, 12236, 12523, 21413, 25046, 33991, 41147, 42826, 50092, 67982, 82294, 85652, 87661, 135964, 164588, 175322, 237937, 288029, 350644, 475874, 576058, 781793, 951748, 1152116, 1563586, 1665559, 2016203, 3127172, 3331118, 4032406, 5472551, 6662236, 8064812, 10945102, 21890204, 38307857, 76615714, 153231428]

約数ペア:

[(1, 153231428), (2, 76615714), (4, 38307857), (7, 21890204), (14, 10945102), (19, 8064812), (23, 6662236), (28, 5472551), (38, 4032406), (46, 3331118), (49, 3127172), (76, 2016203), (92, 1665559), (98, 1563586), (133, 1152116), (161, 951748), (196, 781793), (266, 576058), (322, 475874), (437, 350644), (532, 288029), (644, 237937), (874, 175322), (931, 164588), (1127, 135964), (1748, 87661), (1789, 85652), (1862, 82294), (2254, 67982), (3059, 50092), (3578, 42826), (3724, 41147), (4508, 33991), (6118, 25046), (7156, 21413), (12236, 12523)]