28240768

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 59302800

約数和(自身を除く): 31062032

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 67, 74, 89, 128, 134, 148, 178, 268, 296, 356, 536, 592, 712, 1072, 1184, 1424, 2144, 2368, 2479, 2848, 3293, 4288, 4736, 4958, 5696, 5963, 6586, 8576, 9916, 11392, 11926, 13172, 19832, 23852, 26344, 39664, 47704, 52688, 79328, 95408, 105376, 158656, 190816, 210752, 220631, 317312, 381632, 421504, 441262, 763264, 882524, 1765048, 3530096, 7060192, 14120384, 28240768]

約数ペア:

[(1, 28240768), (2, 14120384), (4, 7060192), (8, 3530096), (16, 1765048), (32, 882524), (37, 763264), (64, 441262), (67, 421504), (74, 381632), (89, 317312), (128, 220631), (134, 210752), (148, 190816), (178, 158656), (268, 105376), (296, 95408), (356, 79328), (536, 52688), (592, 47704), (712, 39664), (1072, 26344), (1184, 23852), (1424, 19832), (2144, 13172), (2368, 11926), (2479, 11392), (2848, 9916), (3293, 8576), (4288, 6586), (4736, 5963), (4958, 5696)]