1284161008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:602

約数の個数: 80

約数和(自身を含む): 2725825536

約数和(自身を除く): 1441664528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 173, 208, 254, 281, 346, 508, 562, 692, 1016, 1124, 1384, 1651, 2032, 2248, 2249, 2768, 3302, 3653, 4496, 4498, 6604, 7306, 8996, 13208, 14612, 17992, 21971, 26416, 29224, 35687, 35984, 43942, 48613, 58448, 71374, 87884, 97226, 142748, 175768, 194452, 285496, 285623, 351536, 388904, 463931, 570992, 571246, 631969, 777808, 927862, 1142492, 1263938, 1855724, 2284984, 2527876, 3711448, 4569968, 5055752, 6173851, 7422896, 10111504, 12347702, 24695404, 49390808, 80260063, 98781616, 160520126, 321040252, 642080504, 1284161008]

約数ペア:

[(1, 1284161008), (2, 642080504), (4, 321040252), (8, 160520126), (13, 98781616), (16, 80260063), (26, 49390808), (52, 24695404), (104, 12347702), (127, 10111504), (173, 7422896), (208, 6173851), (254, 5055752), (281, 4569968), (346, 3711448), (508, 2527876), (562, 2284984), (692, 1855724), (1016, 1263938), (1124, 1142492), (1384, 927862), (1651, 777808), (2032, 631969), (2248, 571246), (2249, 570992), (2768, 463931), (3302, 388904), (3653, 351536), (4496, 285623), (4498, 285496), (6604, 194452), (7306, 175768), (8996, 142748), (13208, 97226), (14612, 87884), (17992, 71374), (21971, 58448), (26416, 48613), (29224, 43942), (35687, 35984)]