642080504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:600

約数の個数: 64

約数和(自身を含む): 1318947840

約数和(自身を除く): 676867336

約数列:

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

約数ペア:

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