289339712

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:823

約数の個数: 56

約数和(自身を含む): 588873600

約数和(自身を除く): 299533888

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 89, 158, 178, 316, 356, 632, 643, 712, 1264, 1286, 1424, 2528, 2572, 2848, 5056, 5144, 5696, 7031, 10288, 14062, 20576, 28124, 41152, 50797, 56248, 57227, 101594, 112496, 114454, 203188, 224992, 228908, 406376, 449984, 457816, 812752, 915632, 1625504, 1831264, 3251008, 3662528, 4520933, 9041866, 18083732, 36167464, 72334928, 144669856, 289339712]

約数ペア:

[(1, 289339712), (2, 144669856), (4, 72334928), (8, 36167464), (16, 18083732), (32, 9041866), (64, 4520933), (79, 3662528), (89, 3251008), (158, 1831264), (178, 1625504), (316, 915632), (356, 812752), (632, 457816), (643, 449984), (712, 406376), (1264, 228908), (1286, 224992), (1424, 203188), (2528, 114454), (2572, 112496), (2848, 101594), (5056, 57227), (5144, 56248), (5696, 50797), (7031, 41152), (10288, 28124), (14062, 20576)]