1998283549952

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{4483}}^1\times {\mathrm{40493}}^1$

素因数の和:45035

約数の個数: 72

約数和(自身を含む): 4082534458464

約数和(自身を除く): 2084250908512

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 2752, 4483, 5504, 8966, 11008, 17932, 35864, 40493, 71728, 80986, 143456, 161972, 192769, 286912, 323944, 385538, 573824, 647888, 771076, 1147648, 1295776, 1542152, 1741199, 2591552, 3084304, 3482398, 5183104, 6168608, 6964796, 10366208, 12337216, 13929592, 24674432, 27859184, 49348864, 55718368, 111436736, 181530119, 222873472, 363060238, 445746944, 726120476, 1452240952, 2904481904, 5808963808, 7805795117, 11617927616, 15611590234, 23235855232, 31223180468, 46471710464, 62446360936, 124892721872, 249785443744, 499570887488, 999141774976, 1998283549952]

約数ペア:

[(1, 1998283549952), (2, 999141774976), (4, 499570887488), (8, 249785443744), (16, 124892721872), (32, 62446360936), (43, 46471710464), (64, 31223180468), (86, 23235855232), (128, 15611590234), (172, 11617927616), (256, 7805795117), (344, 5808963808), (688, 2904481904), (1376, 1452240952), (2752, 726120476), (4483, 445746944), (5504, 363060238), (8966, 222873472), (11008, 181530119), (17932, 111436736), (35864, 55718368), (40493, 49348864), (71728, 27859184), (80986, 24674432), (143456, 13929592), (161972, 12337216), (192769, 10366208), (286912, 6964796), (323944, 6168608), (385538, 5183104), (573824, 3482398), (647888, 3084304), (771076, 2591552), (1147648, 1741199), (1295776, 1542152)]