208757248

素因数分解:

$2^9\times 7^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:242

約数の個数: 120

約数和(自身を含む): 497509452

約数和(自身を除く): 288752204

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 64, 98, 106, 112, 128, 157, 196, 212, 224, 256, 314, 371, 392, 424, 448, 512, 628, 742, 784, 848, 896, 1099, 1256, 1484, 1568, 1696, 1792, 2198, 2512, 2597, 2968, 3136, 3392, 3584, 4396, 5024, 5194, 5936, 6272, 6784, 7693, 8321, 8792, 10048, 10388, 11872, 12544, 13568, 15386, 16642, 17584, 20096, 20776, 23744, 25088, 27136, 30772, 33284, 35168, 40192, 41552, 47488, 58247, 61544, 66568, 70336, 80384, 83104, 94976, 116494, 123088, 133136, 140672, 166208, 189952, 232988, 246176, 266272, 281344, 332416, 407729, 465976, 492352, 532544, 562688, 664832, 815458, 931952, 984704, 1065088, 1329664, 1630916, 1863904, 1969408, 2130176, 3261832, 3727808, 3938816, 4260352, 6523664, 7455616, 13047328, 14911232, 26094656, 29822464, 52189312, 104378624, 208757248]

約数ペア:

[(1, 208757248), (2, 104378624), (4, 52189312), (7, 29822464), (8, 26094656), (14, 14911232), (16, 13047328), (28, 7455616), (32, 6523664), (49, 4260352), (53, 3938816), (56, 3727808), (64, 3261832), (98, 2130176), (106, 1969408), (112, 1863904), (128, 1630916), (157, 1329664), (196, 1065088), (212, 984704), (224, 931952), (256, 815458), (314, 664832), (371, 562688), (392, 532544), (424, 492352), (448, 465976), (512, 407729), (628, 332416), (742, 281344), (784, 266272), (848, 246176), (896, 232988), (1099, 189952), (1256, 166208), (1484, 140672), (1568, 133136), (1696, 123088), (1792, 116494), (2198, 94976), (2512, 83104), (2597, 80384), (2968, 70336), (3136, 66568), (3392, 61544), (3584, 58247), (4396, 47488), (5024, 41552), (5194, 40192), (5936, 35168), (6272, 33284), (6784, 30772), (7693, 27136), (8321, 25088), (8792, 23744), (10048, 20776), (10388, 20096), (11872, 17584), (12544, 16642), (13568, 15386)]