402395392

素因数分解:

$2^8\times 7^1\times {\mathrm{431}}^1\times {\mathrm{521}}^1$

素因数の和:975

約数の個数: 72

約数和(自身を含む): 921860352

約数和(自身を除く): 519464960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 431, 448, 521, 862, 896, 1042, 1724, 1792, 2084, 3017, 3448, 3647, 4168, 6034, 6896, 7294, 8336, 12068, 13792, 14588, 16672, 24136, 27584, 29176, 33344, 48272, 55168, 58352, 66688, 96544, 110336, 116704, 133376, 193088, 224551, 233408, 386176, 449102, 466816, 772352, 898204, 933632, 1571857, 1796408, 3143714, 3592816, 6287428, 7185632, 12574856, 14371264, 25149712, 28742528, 50299424, 57485056, 100598848, 201197696, 402395392]

約数ペア:

[(1, 402395392), (2, 201197696), (4, 100598848), (7, 57485056), (8, 50299424), (14, 28742528), (16, 25149712), (28, 14371264), (32, 12574856), (56, 7185632), (64, 6287428), (112, 3592816), (128, 3143714), (224, 1796408), (256, 1571857), (431, 933632), (448, 898204), (521, 772352), (862, 466816), (896, 449102), (1042, 386176), (1724, 233408), (1792, 224551), (2084, 193088), (3017, 133376), (3448, 116704), (3647, 110336), (4168, 96544), (6034, 66688), (6896, 58352), (7294, 55168), (8336, 48272), (12068, 33344), (13792, 29176), (14588, 27584), (16672, 24136)]