25657216

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{907}}^1$

素因数の和:951

約数の個数: 64

約数和(自身を含む): 58348080

約数和(自身を除く): 32690864

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 272, 416, 442, 544, 832, 884, 907, 1088, 1664, 1768, 1814, 2176, 3536, 3628, 7072, 7256, 11791, 14144, 14512, 15419, 23582, 28288, 29024, 30838, 47164, 58048, 61676, 94328, 116096, 123352, 188656, 200447, 246704, 377312, 400894, 493408, 754624, 801788, 986816, 1509248, 1603576, 1973632, 3207152, 6414304, 12828608, 25657216]

約数ペア:

[(1, 25657216), (2, 12828608), (4, 6414304), (8, 3207152), (13, 1973632), (16, 1603576), (17, 1509248), (26, 986816), (32, 801788), (34, 754624), (52, 493408), (64, 400894), (68, 377312), (104, 246704), (128, 200447), (136, 188656), (208, 123352), (221, 116096), (272, 94328), (416, 61676), (442, 58048), (544, 47164), (832, 30838), (884, 29024), (907, 28288), (1088, 23582), (1664, 15419), (1768, 14512), (1814, 14144), (2176, 11791), (3536, 7256), (3628, 7072)]