71838208

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:325

約数の個数: 80

約数和(自身を含む): 158802336

約数和(自身を除く): 86964128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 251, 256, 344, 416, 502, 512, 559, 688, 832, 1004, 1118, 1376, 1664, 2008, 2236, 2752, 3263, 3328, 4016, 4472, 5504, 6526, 6656, 8032, 8944, 10793, 11008, 13052, 16064, 17888, 21586, 22016, 26104, 32128, 35776, 43172, 52208, 64256, 71552, 86344, 104416, 128512, 140309, 143104, 172688, 208832, 280618, 286208, 345376, 417664, 561236, 690752, 835328, 1122472, 1381504, 1670656, 2244944, 2763008, 4489888, 5526016, 8979776, 17959552, 35919104, 71838208]

約数ペア:

[(1, 71838208), (2, 35919104), (4, 17959552), (8, 8979776), (13, 5526016), (16, 4489888), (26, 2763008), (32, 2244944), (43, 1670656), (52, 1381504), (64, 1122472), (86, 835328), (104, 690752), (128, 561236), (172, 417664), (208, 345376), (251, 286208), (256, 280618), (344, 208832), (416, 172688), (502, 143104), (512, 140309), (559, 128512), (688, 104416), (832, 86344), (1004, 71552), (1118, 64256), (1376, 52208), (1664, 43172), (2008, 35776), (2236, 32128), (2752, 26104), (3263, 22016), (3328, 21586), (4016, 17888), (4472, 16064), (5504, 13052), (6526, 11008), (6656, 10793), (8032, 8944)]