28354688

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 60588000

約数和(自身を除く): 32233312

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 89, 128, 131, 152, 178, 262, 304, 356, 524, 608, 712, 1048, 1216, 1424, 1691, 2096, 2432, 2489, 2848, 3382, 4192, 4978, 5696, 6764, 8384, 9956, 11392, 11659, 13528, 16768, 19912, 23318, 27056, 39824, 46636, 54112, 79648, 93272, 108224, 159296, 186544, 216448, 221521, 318592, 373088, 443042, 746176, 886084, 1492352, 1772168, 3544336, 7088672, 14177344, 28354688]

約数ペア:

[(1, 28354688), (2, 14177344), (4, 7088672), (8, 3544336), (16, 1772168), (19, 1492352), (32, 886084), (38, 746176), (64, 443042), (76, 373088), (89, 318592), (128, 221521), (131, 216448), (152, 186544), (178, 159296), (262, 108224), (304, 93272), (356, 79648), (524, 54112), (608, 46636), (712, 39824), (1048, 27056), (1216, 23318), (1424, 19912), (1691, 16768), (2096, 13528), (2432, 11659), (2489, 11392), (2848, 9956), (3382, 8384), (4192, 6764), (4978, 5696)]