172980992

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 362621952

約数和(自身を除く): 189640960

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 128, 142, 248, 256, 284, 307, 496, 568, 614, 992, 1136, 1228, 1984, 2201, 2272, 2456, 3968, 4402, 4544, 4912, 7936, 8804, 9088, 9517, 9824, 17608, 18176, 19034, 19648, 21797, 35216, 38068, 39296, 43594, 70432, 76136, 78592, 87188, 140864, 152272, 174376, 281728, 304544, 348752, 563456, 609088, 675707, 697504, 1218176, 1351414, 1395008, 2436352, 2702828, 2790016, 5405656, 5580032, 10811312, 21622624, 43245248, 86490496, 172980992]

約数ペア:

[(1, 172980992), (2, 86490496), (4, 43245248), (8, 21622624), (16, 10811312), (31, 5580032), (32, 5405656), (62, 2790016), (64, 2702828), (71, 2436352), (124, 1395008), (128, 1351414), (142, 1218176), (248, 697504), (256, 675707), (284, 609088), (307, 563456), (496, 348752), (568, 304544), (614, 281728), (992, 174376), (1136, 152272), (1228, 140864), (1984, 87188), (2201, 78592), (2272, 76136), (2456, 70432), (3968, 43594), (4402, 39296), (4544, 38068), (4912, 35216), (7936, 21797), (8804, 19648), (9088, 19034), (9517, 18176), (9824, 17608)]