25369984

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 54529200

約数和(自身を除く): 29159216

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 89, 128, 131, 136, 178, 262, 272, 356, 524, 544, 712, 1048, 1088, 1424, 1513, 2096, 2176, 2227, 2848, 3026, 4192, 4454, 5696, 6052, 8384, 8908, 11392, 11659, 12104, 16768, 17816, 23318, 24208, 35632, 46636, 48416, 71264, 93272, 96832, 142528, 186544, 193664, 198203, 285056, 373088, 396406, 746176, 792812, 1492352, 1585624, 3171248, 6342496, 12684992, 25369984]

約数ペア:

[(1, 25369984), (2, 12684992), (4, 6342496), (8, 3171248), (16, 1585624), (17, 1492352), (32, 792812), (34, 746176), (64, 396406), (68, 373088), (89, 285056), (128, 198203), (131, 193664), (136, 186544), (178, 142528), (262, 96832), (272, 93272), (356, 71264), (524, 48416), (544, 46636), (712, 35632), (1048, 24208), (1088, 23318), (1424, 17816), (1513, 16768), (2096, 12104), (2176, 11659), (2227, 11392), (2848, 8908), (3026, 8384), (4192, 6052), (4454, 5696)]