199326464

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 420655200

約数和(自身を除く): 221328736

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 97, 128, 184, 194, 256, 349, 368, 388, 698, 736, 776, 1396, 1472, 1552, 2231, 2792, 2944, 3104, 4462, 5584, 5888, 6208, 8027, 8924, 11168, 12416, 16054, 17848, 22336, 24832, 32108, 33853, 35696, 44672, 64216, 67706, 71392, 89344, 128432, 135412, 142784, 256864, 270824, 285568, 513728, 541648, 571136, 778619, 1027456, 1083296, 1557238, 2054912, 2166592, 3114476, 4333184, 6228952, 8666368, 12457904, 24915808, 49831616, 99663232, 199326464]

約数ペア:

[(1, 199326464), (2, 99663232), (4, 49831616), (8, 24915808), (16, 12457904), (23, 8666368), (32, 6228952), (46, 4333184), (64, 3114476), (92, 2166592), (97, 2054912), (128, 1557238), (184, 1083296), (194, 1027456), (256, 778619), (349, 571136), (368, 541648), (388, 513728), (698, 285568), (736, 270824), (776, 256864), (1396, 142784), (1472, 135412), (1552, 128432), (2231, 89344), (2792, 71392), (2944, 67706), (3104, 64216), (4462, 44672), (5584, 35696), (5888, 33853), (6208, 32108), (8027, 24832), (8924, 22336), (11168, 17848), (12416, 16054)]