1999878976

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{41}}^2\times {\mathrm{641}}^1$

素因数の和:764

約数の個数: 84

約数和(自身を含む): 4214492460

約数和(自身を除く): 2214613484

約数列:

[1, 2, 4, 8, 16, 29, 32, 41, 58, 64, 82, 116, 164, 232, 328, 464, 641, 656, 928, 1189, 1282, 1312, 1681, 1856, 2378, 2564, 2624, 3362, 4756, 5128, 6724, 9512, 10256, 13448, 18589, 19024, 20512, 26281, 26896, 37178, 38048, 41024, 48749, 52562, 53792, 74356, 76096, 97498, 105124, 107584, 148712, 194996, 210248, 297424, 389992, 420496, 594848, 762149, 779984, 840992, 1077521, 1189696, 1524298, 1559968, 1681984, 2155042, 3048596, 3119936, 4310084, 6097192, 8620168, 12194384, 17240336, 24388768, 31248109, 34480672, 48777536, 62496218, 68961344, 124992436, 249984872, 499969744, 999939488, 1999878976]

約数ペア:

[(1, 1999878976), (2, 999939488), (4, 499969744), (8, 249984872), (16, 124992436), (29, 68961344), (32, 62496218), (41, 48777536), (58, 34480672), (64, 31248109), (82, 24388768), (116, 17240336), (164, 12194384), (232, 8620168), (328, 6097192), (464, 4310084), (641, 3119936), (656, 3048596), (928, 2155042), (1189, 1681984), (1282, 1559968), (1312, 1524298), (1681, 1189696), (1856, 1077521), (2378, 840992), (2564, 779984), (2624, 762149), (3362, 594848), (4756, 420496), (5128, 389992), (6724, 297424), (9512, 210248), (10256, 194996), (13448, 148712), (18589, 107584), (19024, 105124), (20512, 97498), (26281, 76096), (26896, 74356), (37178, 53792), (38048, 52562), (41024, 48749)]