221261936

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1471}}^1$

素因数の和:1582

約数の個数: 80

約数和(自身を含む): 525680640

約数和(自身を除く): 304418704

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 79, 112, 119, 136, 158, 238, 272, 316, 476, 553, 632, 952, 1106, 1264, 1343, 1471, 1904, 2212, 2686, 2942, 4424, 5372, 5884, 8848, 9401, 10297, 10744, 11768, 18802, 20594, 21488, 23536, 25007, 37604, 41188, 50014, 75208, 82376, 100028, 116209, 150416, 164752, 175049, 200056, 232418, 350098, 400112, 464836, 700196, 813463, 929672, 1400392, 1626926, 1859344, 1975553, 2800784, 3253852, 3951106, 6507704, 7902212, 13015408, 13828871, 15804424, 27657742, 31608848, 55315484, 110630968, 221261936]

約数ペア:

[(1, 221261936), (2, 110630968), (4, 55315484), (7, 31608848), (8, 27657742), (14, 15804424), (16, 13828871), (17, 13015408), (28, 7902212), (34, 6507704), (56, 3951106), (68, 3253852), (79, 2800784), (112, 1975553), (119, 1859344), (136, 1626926), (158, 1400392), (238, 929672), (272, 813463), (316, 700196), (476, 464836), (553, 400112), (632, 350098), (952, 232418), (1106, 200056), (1264, 175049), (1343, 164752), (1471, 150416), (1904, 116209), (2212, 100028), (2686, 82376), (2942, 75208), (4424, 50014), (5372, 41188), (5884, 37604), (8848, 25007), (9401, 23536), (10297, 21488), (10744, 20594), (11768, 18802)]