71656416

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19139}}^1$

素因数の和:19168

約数の個数: 72

約数和(自身を含む): 219459240

約数和(自身を除く): 147802824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 19139, 38278, 57417, 76556, 114834, 153112, 172251, 229668, 248807, 306224, 344502, 459336, 497614, 612448, 689004, 746421, 918672, 995228, 1378008, 1492842, 1837344, 1990456, 2239263, 2756016, 2985684, 3980912, 4478526, 5512032, 5971368, 7961824, 8957052, 11942736, 17914104, 23885472, 35828208, 71656416]

約数ペア:

[(1, 71656416), (2, 35828208), (3, 23885472), (4, 17914104), (6, 11942736), (8, 8957052), (9, 7961824), (12, 5971368), (13, 5512032), (16, 4478526), (18, 3980912), (24, 2985684), (26, 2756016), (32, 2239263), (36, 1990456), (39, 1837344), (48, 1492842), (52, 1378008), (72, 995228), (78, 918672), (96, 746421), (104, 689004), (117, 612448), (144, 497614), (156, 459336), (208, 344502), (234, 306224), (288, 248807), (312, 229668), (416, 172251), (468, 153112), (624, 114834), (936, 76556), (1248, 57417), (1872, 38278), (3744, 19139)]