71408896

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:571

約数の個数: 72

約数和(自身を含む): 157388000

約数和(自身を除く): 85979104

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 256, 344, 416, 499, 559, 688, 832, 998, 1118, 1376, 1664, 1996, 2236, 2752, 3328, 3992, 4472, 5504, 6487, 7984, 8944, 11008, 12974, 15968, 17888, 21457, 25948, 31936, 35776, 42914, 51896, 63872, 71552, 85828, 103792, 127744, 143104, 171656, 207584, 278941, 343312, 415168, 557882, 686624, 830336, 1115764, 1373248, 1660672, 2231528, 2746496, 4463056, 5492992, 8926112, 17852224, 35704448, 71408896]

約数ペア:

[(1, 71408896), (2, 35704448), (4, 17852224), (8, 8926112), (13, 5492992), (16, 4463056), (26, 2746496), (32, 2231528), (43, 1660672), (52, 1373248), (64, 1115764), (86, 830336), (104, 686624), (128, 557882), (172, 415168), (208, 343312), (256, 278941), (344, 207584), (416, 171656), (499, 143104), (559, 127744), (688, 103792), (832, 85828), (998, 71552), (1118, 63872), (1376, 51896), (1664, 42914), (1996, 35776), (2236, 31936), (2752, 25948), (3328, 21457), (3992, 17888), (4472, 15968), (5504, 12974), (6487, 11008), (7984, 8944)]