71661616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18133}}^1$

素因数の和:18173

約数の個数: 40

約数和(自身を含む): 157403120

約数和(自身を除く): 85741504

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 18133, 36266, 72532, 145064, 235729, 290128, 344527, 471458, 689054, 942916, 1378108, 1885832, 2756216, 3771664, 4478851, 5512432, 8957702, 17915404, 35830808, 71661616]

約数ペア:

[(1, 71661616), (2, 35830808), (4, 17915404), (8, 8957702), (13, 5512432), (16, 4478851), (19, 3771664), (26, 2756216), (38, 1885832), (52, 1378108), (76, 942916), (104, 689054), (152, 471458), (208, 344527), (247, 290128), (304, 235729), (494, 145064), (988, 72532), (1976, 36266), (3952, 18133)]