238421248

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2371

約数の個数: 72

約数和(自身を含む): 529281536

約数和(自身を除く): 290860288

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 2311, 3224, 3328, 3968, 4622, 6448, 7936, 9244, 12896, 18488, 25792, 30043, 36976, 51584, 60086, 71641, 73952, 103168, 120172, 143282, 147904, 240344, 286564, 295808, 480688, 573128, 591616, 931333, 961376, 1146256, 1862666, 1922752, 2292512, 3725332, 3845504, 4585024, 7450664, 7691008, 9170048, 14901328, 18340096, 29802656, 59605312, 119210624, 238421248]

約数ペア:

[(1, 238421248), (2, 119210624), (4, 59605312), (8, 29802656), (13, 18340096), (16, 14901328), (26, 9170048), (31, 7691008), (32, 7450664), (52, 4585024), (62, 3845504), (64, 3725332), (104, 2292512), (124, 1922752), (128, 1862666), (208, 1146256), (248, 961376), (256, 931333), (403, 591616), (416, 573128), (496, 480688), (806, 295808), (832, 286564), (992, 240344), (1612, 147904), (1664, 143282), (1984, 120172), (2311, 103168), (3224, 73952), (3328, 71641), (3968, 60086), (4622, 51584), (6448, 36976), (7936, 30043), (9244, 25792), (12896, 18488)]