721708428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:703

約数の個数: 96

約数和(自身を含む): 1957068288

約数和(自身を除く): 1235359860

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 101, 202, 257, 303, 331, 404, 514, 606, 662, 707, 771, 993, 1028, 1212, 1324, 1414, 1542, 1799, 1986, 2121, 2317, 2828, 3084, 3598, 3972, 4242, 4634, 5397, 6951, 7196, 8484, 9268, 10794, 13902, 21588, 25957, 27804, 33431, 51914, 66862, 77871, 85067, 100293, 103828, 133724, 155742, 170134, 181699, 200586, 234017, 255201, 311484, 340268, 363398, 401172, 468034, 510402, 545097, 595469, 702051, 726796, 936068, 1020804, 1090194, 1190938, 1404102, 1786407, 2180388, 2381876, 2808204, 3572814, 7145628, 8591767, 17183534, 25775301, 34367068, 51550602, 60142369, 103101204, 120284738, 180427107, 240569476, 360854214, 721708428]

約数ペア:

[(1, 721708428), (2, 360854214), (3, 240569476), (4, 180427107), (6, 120284738), (7, 103101204), (12, 60142369), (14, 51550602), (21, 34367068), (28, 25775301), (42, 17183534), (84, 8591767), (101, 7145628), (202, 3572814), (257, 2808204), (303, 2381876), (331, 2180388), (404, 1786407), (514, 1404102), (606, 1190938), (662, 1090194), (707, 1020804), (771, 936068), (993, 726796), (1028, 702051), (1212, 595469), (1324, 545097), (1414, 510402), (1542, 468034), (1799, 401172), (1986, 363398), (2121, 340268), (2317, 311484), (2828, 255201), (3084, 234017), (3598, 200586), (3972, 181699), (4242, 170134), (4634, 155742), (5397, 133724), (6951, 103828), (7196, 100293), (8484, 85067), (9268, 77871), (10794, 66862), (13902, 51914), (21588, 33431), (25957, 27804)]