1388002512

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{20407}}^1$

素因数の和:20540

約数の個数: 80

約数和(自身を含む): 3897111680

約数和(自身を除く): 2509109168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 109, 156, 208, 218, 312, 327, 436, 624, 654, 872, 1308, 1417, 1744, 2616, 2834, 4251, 5232, 5668, 8502, 11336, 17004, 20407, 22672, 34008, 40814, 61221, 68016, 81628, 122442, 163256, 244884, 265291, 326512, 489768, 530582, 795873, 979536, 1061164, 1591746, 2122328, 2224363, 3183492, 4244656, 4448726, 6366984, 6673089, 8897452, 12733968, 13346178, 17794904, 26692356, 28916719, 35589808, 53384712, 57833438, 86750157, 106769424, 115666876, 173500314, 231333752, 347000628, 462667504, 694001256, 1388002512]

約数ペア:

[(1, 1388002512), (2, 694001256), (3, 462667504), (4, 347000628), (6, 231333752), (8, 173500314), (12, 115666876), (13, 106769424), (16, 86750157), (24, 57833438), (26, 53384712), (39, 35589808), (48, 28916719), (52, 26692356), (78, 17794904), (104, 13346178), (109, 12733968), (156, 8897452), (208, 6673089), (218, 6366984), (312, 4448726), (327, 4244656), (436, 3183492), (624, 2224363), (654, 2122328), (872, 1591746), (1308, 1061164), (1417, 979536), (1744, 795873), (2616, 530582), (2834, 489768), (4251, 326512), (5232, 265291), (5668, 244884), (8502, 163256), (11336, 122442), (17004, 81628), (20407, 68016), (22672, 61221), (34008, 40814)]