890243382

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1\times {\mathrm{1171}}^1$

素因数の和:1993

約数の個数: 64

約数和(自身を含む): 2127826944

約数和(自身を除く): 1237583562

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 787, 966, 1171, 1574, 2342, 2361, 3513, 4722, 5509, 7026, 8197, 11018, 16394, 16527, 18101, 24591, 26933, 33054, 36202, 49182, 53866, 54303, 80799, 108606, 126707, 161598, 188531, 253414, 377062, 380121, 565593, 760242, 921577, 1131186, 1843154, 2764731, 5529462, 6451039, 12902078, 19353117, 21196271, 38706234, 42392542, 63588813, 127177626, 148373897, 296747794, 445121691, 890243382]

約数ペア:

[(1, 890243382), (2, 445121691), (3, 296747794), (6, 148373897), (7, 127177626), (14, 63588813), (21, 42392542), (23, 38706234), (42, 21196271), (46, 19353117), (69, 12902078), (138, 6451039), (161, 5529462), (322, 2764731), (483, 1843154), (787, 1131186), (966, 921577), (1171, 760242), (1574, 565593), (2342, 380121), (2361, 377062), (3513, 253414), (4722, 188531), (5509, 161598), (7026, 126707), (8197, 108606), (11018, 80799), (16394, 54303), (16527, 53866), (18101, 49182), (24591, 36202), (26933, 33054)]