221546624

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:869

約数の個数: 64

約数和(自身を含む): 478322880

約数和(自身を除く): 256776256

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 211, 416, 422, 631, 832, 844, 1262, 1664, 1688, 2524, 2743, 3376, 5048, 5486, 6752, 8203, 10096, 10972, 13504, 16406, 20192, 21944, 27008, 32812, 40384, 43888, 65624, 80768, 87776, 131248, 133141, 175552, 262496, 266282, 351104, 524992, 532564, 1049984, 1065128, 1730833, 2130256, 3461666, 4260512, 6923332, 8521024, 13846664, 17042048, 27693328, 55386656, 110773312, 221546624]

約数ペア:

[(1, 221546624), (2, 110773312), (4, 55386656), (8, 27693328), (13, 17042048), (16, 13846664), (26, 8521024), (32, 6923332), (52, 4260512), (64, 3461666), (104, 2130256), (128, 1730833), (208, 1065128), (211, 1049984), (416, 532564), (422, 524992), (631, 351104), (832, 266282), (844, 262496), (1262, 175552), (1664, 133141), (1688, 131248), (2524, 87776), (2743, 80768), (3376, 65624), (5048, 43888), (5486, 40384), (6752, 32812), (8203, 27008), (10096, 21944), (10972, 20192), (13504, 16406)]