72157696

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:361

約数の個数: 80

約数和(自身を含む): 160005384

約数和(自身を除く): 87847688

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 128, 148, 208, 256, 293, 296, 416, 481, 512, 586, 592, 832, 962, 1172, 1184, 1664, 1924, 2344, 2368, 3328, 3809, 3848, 4688, 4736, 6656, 7618, 7696, 9376, 9472, 10841, 15236, 15392, 18752, 18944, 21682, 30472, 30784, 37504, 43364, 60944, 61568, 75008, 86728, 121888, 123136, 140933, 150016, 173456, 243776, 246272, 281866, 346912, 487552, 563732, 693824, 975104, 1127464, 1387648, 1950208, 2254928, 2775296, 4509856, 5550592, 9019712, 18039424, 36078848, 72157696]

約数ペア:

[(1, 72157696), (2, 36078848), (4, 18039424), (8, 9019712), (13, 5550592), (16, 4509856), (26, 2775296), (32, 2254928), (37, 1950208), (52, 1387648), (64, 1127464), (74, 975104), (104, 693824), (128, 563732), (148, 487552), (208, 346912), (256, 281866), (293, 246272), (296, 243776), (416, 173456), (481, 150016), (512, 140933), (586, 123136), (592, 121888), (832, 86728), (962, 75008), (1172, 61568), (1184, 60944), (1664, 43364), (1924, 37504), (2344, 30784), (2368, 30472), (3328, 21682), (3809, 18944), (3848, 18752), (4688, 15392), (4736, 15236), (6656, 10841), (7618, 9472), (7696, 9376)]