28254976

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 61360880

約数和(自身を除く): 33105904

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 128, 148, 152, 157, 256, 296, 304, 314, 592, 608, 628, 703, 1184, 1216, 1256, 1406, 2368, 2432, 2512, 2812, 2983, 4736, 4864, 5024, 5624, 5809, 5966, 9472, 10048, 11248, 11618, 11932, 20096, 22496, 23236, 23864, 40192, 44992, 46472, 47728, 89984, 92944, 95456, 110371, 179968, 185888, 190912, 220742, 371776, 381824, 441484, 743552, 763648, 882968, 1487104, 1765936, 3531872, 7063744, 14127488, 28254976]

約数ペア:

[(1, 28254976), (2, 14127488), (4, 7063744), (8, 3531872), (16, 1765936), (19, 1487104), (32, 882968), (37, 763648), (38, 743552), (64, 441484), (74, 381824), (76, 371776), (128, 220742), (148, 190912), (152, 185888), (157, 179968), (256, 110371), (296, 95456), (304, 92944), (314, 89984), (592, 47728), (608, 46472), (628, 44992), (703, 40192), (1184, 23864), (1216, 23236), (1256, 22496), (1406, 20096), (2368, 11932), (2432, 11618), (2512, 11248), (2812, 10048), (2983, 9472), (4736, 5966), (4864, 5809), (5024, 5624)]