242971398

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{991}}^1$

素因数の和:1309

約数の個数: 48

約数和(自身を含む): 539001216

約数和(自身を除く): 296029818

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 257, 318, 477, 514, 771, 954, 991, 1542, 1982, 2313, 2973, 4626, 5946, 8919, 13621, 17838, 27242, 40863, 52523, 81726, 105046, 122589, 157569, 245178, 254687, 315138, 472707, 509374, 764061, 945414, 1528122, 2292183, 4584366, 13498411, 26996822, 40495233, 80990466, 121485699, 242971398]

約数ペア:

[(1, 242971398), (2, 121485699), (3, 80990466), (6, 40495233), (9, 26996822), (18, 13498411), (53, 4584366), (106, 2292183), (159, 1528122), (257, 945414), (318, 764061), (477, 509374), (514, 472707), (771, 315138), (954, 254687), (991, 245178), (1542, 157569), (1982, 122589), (2313, 105046), (2973, 81726), (4626, 52523), (5946, 40863), (8919, 27242), (13621, 17838)]