25624185

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 45622656

約数和(自身を除く): 19998471

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 257, 289, 345, 391, 771, 867, 1173, 1285, 1445, 1955, 3855, 4335, 4369, 5865, 5911, 6647, 13107, 17733, 19941, 21845, 29555, 33235, 65535, 74273, 88665, 99705, 100487, 222819, 301461, 371365, 502435, 1114095, 1507305, 1708279, 5124837, 8541395, 25624185]

約数ペア:

[(1, 25624185), (3, 8541395), (5, 5124837), (15, 1708279), (17, 1507305), (23, 1114095), (51, 502435), (69, 371365), (85, 301461), (115, 222819), (255, 100487), (257, 99705), (289, 88665), (345, 74273), (391, 65535), (771, 33235), (867, 29555), (1173, 21845), (1285, 19941), (1445, 17733), (1955, 13107), (3855, 6647), (4335, 5911), (4369, 5865)]