217684656

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{30851}}^1$

素因数の和:30879

約数の個数: 90

約数和(自身を含む): 708701292

約数和(自身を除く): 491016636

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 30851, 61702, 92553, 123404, 185106, 215957, 246808, 277659, 370212, 431914, 493616, 555318, 647871, 740424, 863828, 1110636, 1295742, 1480848, 1511699, 1727656, 1943613, 2221272, 2591484, 3023398, 3455312, 3887226, 4442544, 4535097, 5182968, 6046796, 7774452, 9070194, 10365936, 12093592, 13605291, 15548904, 18140388, 24187184, 27210582, 31097808, 36280776, 54421164, 72561552, 108842328, 217684656]

約数ペア:

[(1, 217684656), (2, 108842328), (3, 72561552), (4, 54421164), (6, 36280776), (7, 31097808), (8, 27210582), (9, 24187184), (12, 18140388), (14, 15548904), (16, 13605291), (18, 12093592), (21, 10365936), (24, 9070194), (28, 7774452), (36, 6046796), (42, 5182968), (48, 4535097), (49, 4442544), (56, 3887226), (63, 3455312), (72, 3023398), (84, 2591484), (98, 2221272), (112, 1943613), (126, 1727656), (144, 1511699), (147, 1480848), (168, 1295742), (196, 1110636), (252, 863828), (294, 740424), (336, 647871), (392, 555318), (441, 493616), (504, 431914), (588, 370212), (784, 277659), (882, 246808), (1008, 215957), (1176, 185106), (1764, 123404), (2352, 92553), (3528, 61702), (7056, 30851)]